Home / 722,435,901.63-997,044,248.69-404,981,887.92

Finding the Fourth Proportional to 722,435,901.63, 997,044,248.69 and 404,981,887.92

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Solution

The fourth proportional to 722,435,901.63, 997,044,248.69 and 404,981,887.92 is: 558,921,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,435,901.63 : 997,044,248.69 = 404,981,887.92 : x
  2. Step 2: Convert to fraction form
    722,435,901.63/997,044,248.69 = 404,981,887.92/x
  3. Step 3: Cross multiply
    722,435,901.63x = 997,044,248.69 × 404,981,887.92
  4. Step 4: Simplify right side
    722,435,901.63x = 403,784,862,174,254,208
  5. Step 5: Solve for x
    x = 403,784,862,174,254,208/722,435,901.63
  6. Step 6: Final answer
    x = 558,921,367.64

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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.