Home / 586,755,161.30-809,717,387-318,828,648.98

Finding the Fourth Proportional to 586,755,161.30, 809,717,387 and 318,828,648.98

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Solution

The fourth proportional to 586,755,161.30, 809,717,387 and 318,828,648.98 is: 439,980,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,755,161.30 : 809,717,387 = 318,828,648.98 : x
  2. Step 2: Convert to fraction form
    586,755,161.30/809,717,387 = 318,828,648.98/x
  3. Step 3: Cross multiply
    586,755,161.30x = 809,717,387 × 318,828,648.98
  4. Step 4: Simplify right side
    586,755,161.30x = 258,161,100,552,825,824
  5. Step 5: Solve for x
    x = 258,161,100,552,825,824/586,755,161.30
  6. Step 6: Final answer
    x = 439,980,962.38

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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.