Home / 28,006,114,032.57-38,648,553,807.32-15,145,753,991.32

Finding the Fourth Proportional to 28,006,114,032.57, 38,648,553,807.32 and 15,145,753,991.32

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Solution

The fourth proportional to 28,006,114,032.57, 38,648,553,807.32 and 15,145,753,991.32 is: 20,901,203,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,032.57 : 38,648,553,807.32 = 15,145,753,991.32 : x
  2. Step 2: Convert to fraction form
    28,006,114,032.57/38,648,553,807.32 = 15,145,753,991.32/x
  3. Step 3: Cross multiply
    28,006,114,032.57x = 38,648,553,807.32 × 15,145,753,991.32
  4. Step 4: Simplify right side
    28,006,114,032.57x = 585,361,488,085,771,026,432
  5. Step 5: Solve for x
    x = 585,361,488,085,771,026,432/28,006,114,032.57
  6. Step 6: Final answer
    x = 20,901,203,480.25

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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.