Home / 655,503,001.41-904,583,585.07-358,138,858.55

Finding the Fourth Proportional to 655,503,001.41, 904,583,585.07 and 358,138,858.55

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Solution

The fourth proportional to 655,503,001.41, 904,583,585.07 and 358,138,858.55 is: 494,225,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,503,001.41 : 904,583,585.07 = 358,138,858.55 : x
  2. Step 2: Convert to fraction form
    655,503,001.41/904,583,585.07 = 358,138,858.55/x
  3. Step 3: Cross multiply
    655,503,001.41x = 904,583,585.07 × 358,138,858.55
  4. Step 4: Simplify right side
    655,503,001.41x = 323,966,532,620,036,672
  5. Step 5: Solve for x
    x = 323,966,532,620,036,672/655,503,001.41
  6. Step 6: Final answer
    x = 494,225,856.97

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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.