Home / 18,443,145,931.90-27,664,718,897.85-4,656,857,803.90

Finding the Fourth Proportional to 18,443,145,931.90, 27,664,718,897.85 and 4,656,857,803.90

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Solution

The fourth proportional to 18,443,145,931.90, 27,664,718,897.85 and 4,656,857,803.90 is: 6,985,286,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,145,931.90 : 27,664,718,897.85 = 4,656,857,803.90 : x
  2. Step 2: Convert to fraction form
    18,443,145,931.90/27,664,718,897.85 = 4,656,857,803.90/x
  3. Step 3: Cross multiply
    18,443,145,931.90x = 27,664,718,897.85 × 4,656,857,803.90
  4. Step 4: Simplify right side
    18,443,145,931.90x = 128,830,662,092,152,569,856
  5. Step 5: Solve for x
    x = 128,830,662,092,152,569,856/18,443,145,931.90
  6. Step 6: Final answer
    x = 6,985,286,705.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.