Home / 28,423,013,758.92-42,641,059,199.45-9,538,807,367.13

Finding the Fourth Proportional to 28,423,013,758.92, 42,641,059,199.45 and 9,538,807,367.13

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Solution

The fourth proportional to 28,423,013,758.92, 42,641,059,199.45 and 9,538,807,367.13 is: 14,310,405,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423,013,758.92 : 42,641,059,199.45 = 9,538,807,367.13 : x
  2. Step 2: Convert to fraction form
    28,423,013,758.92/42,641,059,199.45 = 9,538,807,367.13/x
  3. Step 3: Cross multiply
    28,423,013,758.92x = 42,641,059,199.45 × 9,538,807,367.13
  4. Step 4: Simplify right side
    28,423,013,758.92x = 406,744,849,633,940,078,592
  5. Step 5: Solve for x
    x = 406,744,849,633,940,078,592/28,423,013,758.92
  6. Step 6: Final answer
    x = 14,310,405,401.90

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1.5x scale

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.