Home / 900,433,323.31-1,350,779,080.84-278,703,154.61

Finding the Fourth Proportional to 900,433,323.31, 1,350,779,080.84 and 278,703,154.61

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Solution

The fourth proportional to 900,433,323.31, 1,350,779,080.84 and 278,703,154.61 is: 418,094,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,433,323.31 : 1,350,779,080.84 = 278,703,154.61 : x
  2. Step 2: Convert to fraction form
    900,433,323.31/1,350,779,080.84 = 278,703,154.61/x
  3. Step 3: Cross multiply
    900,433,323.31x = 1,350,779,080.84 × 278,703,154.61
  4. Step 4: Simplify right side
    900,433,323.31x = 376,466,391,012,338,048
  5. Step 5: Solve for x
    x = 376,466,391,012,338,048/900,433,323.31
  6. Step 6: Final answer
    x = 418,094,689.82

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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.