Home / 356,300,999,747.40-534,451,499,621.10-120,749,342,435.40

Finding the Fourth Proportional to 356,300,999,747.40, 534,451,499,621.10 and 120,749,342,435.40

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Solution

The fourth proportional to 356,300,999,747.40, 534,451,499,621.10 and 120,749,342,435.40 is: 181,124,013,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,300,999,747.40 : 534,451,499,621.10 = 120,749,342,435.40 : x
  2. Step 2: Convert to fraction form
    356,300,999,747.40/534,451,499,621.10 = 120,749,342,435.40/x
  3. Step 3: Cross multiply
    356,300,999,747.40x = 534,451,499,621.10 × 120,749,342,435.40
  4. Step 4: Simplify right side
    356,300,999,747.40x = 64,534,667,142,861,252,722,688
  5. Step 5: Solve for x
    x = 64,534,667,142,861,252,722,688/356,300,999,747.40
  6. Step 6: Final answer
    x = 181,124,013,653.10

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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.