Home / 30,690,700,931.92-42,352,720,227.48-17,142,530,875.60

Finding the Fourth Proportional to 30,690,700,931.92, 42,352,720,227.48 and 17,142,530,875.60

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Solution

The fourth proportional to 30,690,700,931.92, 42,352,720,227.48 and 17,142,530,875.60 is: 23,656,442,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,700,931.92 : 42,352,720,227.48 = 17,142,530,875.60 : x
  2. Step 2: Convert to fraction form
    30,690,700,931.92/42,352,720,227.48 = 17,142,530,875.60/x
  3. Step 3: Cross multiply
    30,690,700,931.92x = 42,352,720,227.48 × 17,142,530,875.60
  4. Step 4: Simplify right side
    30,690,700,931.92x = 726,032,814,165,224,587,264
  5. Step 5: Solve for x
    x = 726,032,814,165,224,587,264/30,690,700,931.92
  6. Step 6: Final answer
    x = 23,656,442,900.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.