Home / 654,482,246.40-981,723,369.60-409,594,233.60

Finding the Fourth Proportional to 654,482,246.40, 981,723,369.60 and 409,594,233.60

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Solution

The fourth proportional to 654,482,246.40, 981,723,369.60 and 409,594,233.60 is: 614,391,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,482,246.40 : 981,723,369.60 = 409,594,233.60 : x
  2. Step 2: Convert to fraction form
    654,482,246.40/981,723,369.60 = 409,594,233.60/x
  3. Step 3: Cross multiply
    654,482,246.40x = 981,723,369.60 × 409,594,233.60
  4. Step 4: Simplify right side
    654,482,246.40x = 402,108,231,178,521,600
  5. Step 5: Solve for x
    x = 402,108,231,178,521,600/654,482,246.40
  6. Step 6: Final answer
    x = 614,391,350.40

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Double scale
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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.