Home / 672,876,030.24-928,989,282.96-515,941,653.60

Finding the Fourth Proportional to 672,876,030.24, 928,989,282.96 and 515,941,653.60

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Solution

The fourth proportional to 672,876,030.24, 928,989,282.96 and 515,941,653.60 is: 712,321,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,876,030.24 : 928,989,282.96 = 515,941,653.60 : x
  2. Step 2: Convert to fraction form
    672,876,030.24/928,989,282.96 = 515,941,653.60/x
  3. Step 3: Cross multiply
    672,876,030.24x = 928,989,282.96 × 515,941,653.60
  4. Step 4: Simplify right side
    672,876,030.24x = 479,304,266,827,060,736
  5. Step 5: Solve for x
    x = 479,304,266,827,060,736/672,876,030.24
  6. Step 6: Final answer
    x = 712,321,802.66

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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.