Home / 28,006,113,872.04-38,648,553,586.33-15,145,753,830.88

Finding the Fourth Proportional to 28,006,113,872.04, 38,648,553,586.33 and 15,145,753,830.88

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Solution

The fourth proportional to 28,006,113,872.04, 38,648,553,586.33 and 15,145,753,830.88 is: 20,901,203,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,113,872.04 : 38,648,553,586.33 = 15,145,753,830.88 : x
  2. Step 2: Convert to fraction form
    28,006,113,872.04/38,648,553,586.33 = 15,145,753,830.88/x
  3. Step 3: Cross multiply
    28,006,113,872.04x = 38,648,553,586.33 × 15,145,753,830.88
  4. Step 4: Simplify right side
    28,006,113,872.04x = 585,361,478,537,935,323,136
  5. Step 5: Solve for x
    x = 585,361,478,537,935,323,136/28,006,113,872.04
  6. Step 6: Final answer
    x = 20,901,203,259.13

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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.