Home / 722,235,510.18-1,083,011,814.54-279,785,437.38

Finding the Fourth Proportional to 722,235,510.18, 1,083,011,814.54 and 279,785,437.38

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Solution

The fourth proportional to 722,235,510.18, 1,083,011,814.54 and 279,785,437.38 is: 419,545,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,235,510.18 : 1,083,011,814.54 = 279,785,437.38 : x
  2. Step 2: Convert to fraction form
    722,235,510.18/1,083,011,814.54 = 279,785,437.38/x
  3. Step 3: Cross multiply
    722,235,510.18x = 1,083,011,814.54 × 279,785,437.38
  4. Step 4: Simplify right side
    722,235,510.18x = 303,010,934,218,781,312
  5. Step 5: Solve for x
    x = 303,010,934,218,781,312/722,235,510.18
  6. Step 6: Final answer
    x = 419,545,882.12

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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.