Home / 423,564,887.88-633,396,910.41-402,902,461.80

Finding the Fourth Proportional to 423,564,887.88, 633,396,910.41 and 402,902,461.80

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Solution

The fourth proportional to 423,564,887.88, 633,396,910.41 and 402,902,461.80 is: 602,498,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,564,887.88 : 633,396,910.41 = 402,902,461.80 : x
  2. Step 2: Convert to fraction form
    423,564,887.88/633,396,910.41 = 402,902,461.80/x
  3. Step 3: Cross multiply
    423,564,887.88x = 633,396,910.41 × 402,902,461.80
  4. Step 4: Simplify right side
    423,564,887.88x = 255,197,174,500,703,040
  5. Step 5: Solve for x
    x = 255,197,174,500,703,040/423,564,887.88
  6. Step 6: Final answer
    x = 602,498,417.13

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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.