Home / 30,690,700,927.92-42,352,720,221.96-17,142,530,871.60

Finding the Fourth Proportional to 30,690,700,927.92, 42,352,720,221.96 and 17,142,530,871.60

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Solution

The fourth proportional to 30,690,700,927.92, 42,352,720,221.96 and 17,142,530,871.60 is: 23,656,442,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,700,927.92 : 42,352,720,221.96 = 17,142,530,871.60 : x
  2. Step 2: Convert to fraction form
    30,690,700,927.92/42,352,720,221.96 = 17,142,530,871.60/x
  3. Step 3: Cross multiply
    30,690,700,927.92x = 42,352,720,221.96 × 17,142,530,871.60
  4. Step 4: Simplify right side
    30,690,700,927.92x = 726,032,813,901,186,859,008
  5. Step 5: Solve for x
    x = 726,032,813,901,186,859,008/30,690,700,927.92
  6. Step 6: Final answer
    x = 23,656,442,894.75

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Double scale
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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.