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Finding the Fourth Proportional to 662,360,407.70, 914,063,407.54 and 365,013,318.65

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Solution

The fourth proportional to 662,360,407.70, 914,063,407.54 and 365,013,318.65 is: 503,721,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,360,407.70 : 914,063,407.54 = 365,013,318.65 : x
  2. Step 2: Convert to fraction form
    662,360,407.70/914,063,407.54 = 365,013,318.65/x
  3. Step 3: Cross multiply
    662,360,407.70x = 914,063,407.54 × 365,013,318.65
  4. Step 4: Simplify right side
    662,360,407.70x = 333,645,317,837,212,672
  5. Step 5: Solve for x
    x = 333,645,317,837,212,672/662,360,407.70
  6. Step 6: Final answer
    x = 503,721,710.96

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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.