Home / 484,100,397.28-722,374,893-431,926,341.28

Finding the Fourth Proportional to 484,100,397.28, 722,374,893 and 431,926,341.28

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Solution

The fourth proportional to 484,100,397.28, 722,374,893 and 431,926,341.28 is: 644,520,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,100,397.28 : 722,374,893 = 431,926,341.28 : x
  2. Step 2: Convert to fraction form
    484,100,397.28/722,374,893 = 431,926,341.28/x
  3. Step 3: Cross multiply
    484,100,397.28x = 722,374,893 × 431,926,341.28
  4. Step 4: Simplify right side
    484,100,397.28x = 312,012,744,566,021,440
  5. Step 5: Solve for x
    x = 312,012,744,566,021,440/484,100,397.28
  6. Step 6: Final answer
    x = 644,520,736.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.