Home / 28,423,013,761.92-42,641,059,203.95-9,538,807,370.13

Finding the Fourth Proportional to 28,423,013,761.92, 42,641,059,203.95 and 9,538,807,370.13

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Solution

The fourth proportional to 28,423,013,761.92, 42,641,059,203.95 and 9,538,807,370.13 is: 14,310,405,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423,013,761.92 : 42,641,059,203.95 = 9,538,807,370.13 : x
  2. Step 2: Convert to fraction form
    28,423,013,761.92/42,641,059,203.95 = 9,538,807,370.13/x
  3. Step 3: Cross multiply
    28,423,013,761.92x = 42,641,059,203.95 × 9,538,807,370.13
  4. Step 4: Simplify right side
    28,423,013,761.92x = 406,744,849,804,787,843,072
  5. Step 5: Solve for x
    x = 406,744,849,804,787,843,072/28,423,013,761.92
  6. Step 6: Final answer
    x = 14,310,405,406.40

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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.