Home / 715,761,343.04-987,730,645.38-433,670,799.48

Finding the Fourth Proportional to 715,761,343.04, 987,730,645.38 and 433,670,799.48

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Solution

The fourth proportional to 715,761,343.04, 987,730,645.38 and 433,670,799.48 is: 598,453,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,761,343.04 : 987,730,645.38 = 433,670,799.48 : x
  2. Step 2: Convert to fraction form
    715,761,343.04/987,730,645.38 = 433,670,799.48/x
  3. Step 3: Cross multiply
    715,761,343.04x = 987,730,645.38 × 433,670,799.48
  4. Step 4: Simplify right side
    715,761,343.04x = 428,349,938,652,840,960
  5. Step 5: Solve for x
    x = 428,349,938,652,840,960/715,761,343.04
  6. Step 6: Final answer
    x = 598,453,580.68

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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.