Home / 715,761,342.04-987,730,644-433,670,798.48

Finding the Fourth Proportional to 715,761,342.04, 987,730,644 and 433,670,798.48

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Solution

The fourth proportional to 715,761,342.04, 987,730,644 and 433,670,798.48 is: 598,453,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,761,342.04 : 987,730,644 = 433,670,798.48 : x
  2. Step 2: Convert to fraction form
    715,761,342.04/987,730,644 = 433,670,798.48/x
  3. Step 3: Cross multiply
    715,761,342.04x = 987,730,644 × 433,670,798.48
  4. Step 4: Simplify right side
    715,761,342.04x = 428,349,937,066,644,608
  5. Step 5: Solve for x
    x = 428,349,937,066,644,608/715,761,342.04
  6. Step 6: Final answer
    x = 598,453,579.30

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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.