Home / 1,381,050,141.29-1,905,849,959.51-745,970,629.83

Finding the Fourth Proportional to 1,381,050,141.29, 1,905,849,959.51 and 745,970,629.83

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Solution

The fourth proportional to 1,381,050,141.29, 1,905,849,959.51 and 745,970,629.83 is: 1,029,439,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,050,141.29 : 1,905,849,959.51 = 745,970,629.83 : x
  2. Step 2: Convert to fraction form
    1,381,050,141.29/1,905,849,959.51 = 745,970,629.83/x
  3. Step 3: Cross multiply
    1,381,050,141.29x = 1,905,849,959.51 × 745,970,629.83
  4. Step 4: Simplify right side
    1,381,050,141.29x = 1,421,708,094,657,154,816
  5. Step 5: Solve for x
    x = 1,421,708,094,657,154,816/1,381,050,141.29
  6. Step 6: Final answer
    x = 1,029,439,882.12

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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.