Home / 28,006,113,870.04-38,648,553,583.56-15,145,753,828.88

Finding the Fourth Proportional to 28,006,113,870.04, 38,648,553,583.56 and 15,145,753,828.88

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Solution

The fourth proportional to 28,006,113,870.04, 38,648,553,583.56 and 15,145,753,828.88 is: 20,901,203,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,113,870.04 : 38,648,553,583.56 = 15,145,753,828.88 : x
  2. Step 2: Convert to fraction form
    28,006,113,870.04/38,648,553,583.56 = 15,145,753,828.88/x
  3. Step 3: Cross multiply
    28,006,113,870.04x = 38,648,553,583.56 × 15,145,753,828.88
  4. Step 4: Simplify right side
    28,006,113,870.04x = 585,361,478,418,745,131,008
  5. Step 5: Solve for x
    x = 585,361,478,418,745,131,008/28,006,113,870.04
  6. Step 6: Final answer
    x = 20,901,203,256.37

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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.