Home / 586,755,162.30-809,717,388.38-318,828,649.98

Finding the Fourth Proportional to 586,755,162.30, 809,717,388.38 and 318,828,649.98

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Solution

The fourth proportional to 586,755,162.30, 809,717,388.38 and 318,828,649.98 is: 439,980,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,755,162.30 : 809,717,388.38 = 318,828,649.98 : x
  2. Step 2: Convert to fraction form
    586,755,162.30/809,717,388.38 = 318,828,649.98/x
  3. Step 3: Cross multiply
    586,755,162.30x = 809,717,388.38 × 318,828,649.98
  4. Step 4: Simplify right side
    586,755,162.30x = 258,161,101,802,526,752
  5. Step 5: Solve for x
    x = 258,161,101,802,526,752/586,755,162.30
  6. Step 6: Final answer
    x = 439,980,963.76

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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.