Home / 770,730,503.58-1,063,609,148.21-418,306,499.73

Finding the Fourth Proportional to 770,730,503.58, 1,063,609,148.21 and 418,306,499.73

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Solution

The fourth proportional to 770,730,503.58, 1,063,609,148.21 and 418,306,499.73 is: 577,263,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,730,503.58 : 1,063,609,148.21 = 418,306,499.73 : x
  2. Step 2: Convert to fraction form
    770,730,503.58/1,063,609,148.21 = 418,306,499.73/x
  3. Step 3: Cross multiply
    770,730,503.58x = 1,063,609,148.21 × 418,306,499.73
  4. Step 4: Simplify right side
    770,730,503.58x = 444,914,619,866,440,384
  5. Step 5: Solve for x
    x = 444,914,619,866,440,384/770,730,503.58
  6. Step 6: Final answer
    x = 577,263,541.28

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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.