Home / 356,300,996,952.90-534,451,495,429.35-120,749,339,640.90

Finding the Fourth Proportional to 356,300,996,952.90, 534,451,495,429.35 and 120,749,339,640.90

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Solution

The fourth proportional to 356,300,996,952.90, 534,451,495,429.35 and 120,749,339,640.90 is: 181,124,009,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,300,996,952.90 : 534,451,495,429.35 = 120,749,339,640.90 : x
  2. Step 2: Convert to fraction form
    356,300,996,952.90/534,451,495,429.35 = 120,749,339,640.90/x
  3. Step 3: Cross multiply
    356,300,996,952.90x = 534,451,495,429.35 × 120,749,339,640.90
  4. Step 4: Simplify right side
    356,300,996,952.90x = 64,534,665,143,185,490,051,072
  5. Step 5: Solve for x
    x = 64,534,665,143,185,490,051,072/356,300,996,952.90
  6. Step 6: Final answer
    x = 181,124,009,461.35

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Double scale
Find fourth proportional to 356,300,996,953.90, 534,451,495,430.85 and 120,749,339,641.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.