Home / 356,300,997,220.40-534,451,495,830.60-120,749,339,908.40

Finding the Fourth Proportional to 356,300,997,220.40, 534,451,495,830.60 and 120,749,339,908.40

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Solution

The fourth proportional to 356,300,997,220.40, 534,451,495,830.60 and 120,749,339,908.40 is: 181,124,009,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,300,997,220.40 : 534,451,495,830.60 = 120,749,339,908.40 : x
  2. Step 2: Convert to fraction form
    356,300,997,220.40/534,451,495,830.60 = 120,749,339,908.40/x
  3. Step 3: Cross multiply
    356,300,997,220.40x = 534,451,495,830.60 × 120,749,339,908.40
  4. Step 4: Simplify right side
    356,300,997,220.40x = 64,534,665,334,601,939,943,424
  5. Step 5: Solve for x
    x = 64,534,665,334,601,939,943,424/356,300,997,220.40
  6. Step 6: Final answer
    x = 181,124,009,862.60

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Double scale
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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.