Home / 49,360,454,385.11-74,017,341,463.96-19,121,756,139.62

Finding the Fourth Proportional to 49,360,454,385.11, 74,017,341,463.96 and 19,121,756,139.62

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Solution

The fourth proportional to 49,360,454,385.11, 74,017,341,463.96 and 19,121,756,139.62 is: 28,673,592,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,360,454,385.11 : 74,017,341,463.96 = 19,121,756,139.62 : x
  2. Step 2: Convert to fraction form
    49,360,454,385.11/74,017,341,463.96 = 19,121,756,139.62/x
  3. Step 3: Cross multiply
    49,360,454,385.11x = 74,017,341,463.96 × 19,121,756,139.62
  4. Step 4: Simplify right side
    49,360,454,385.11x = 1,415,341,553,577,010,921,472
  5. Step 5: Solve for x
    x = 1,415,341,553,577,010,921,472/49,360,454,385.11
  6. Step 6: Final answer
    x = 28,673,592,478.19

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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.