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Finding the Fourth Proportional to 370,792,649.70, 558,408,609.40 and 337,695,438.39

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Solution

The fourth proportional to 370,792,649.70, 558,408,609.40 and 337,695,438.39 is: 508,564,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,792,649.70 : 558,408,609.40 = 337,695,438.39 : x
  2. Step 2: Convert to fraction form
    370,792,649.70/558,408,609.40 = 337,695,438.39/x
  3. Step 3: Cross multiply
    370,792,649.70x = 558,408,609.40 × 337,695,438.39
  4. Step 4: Simplify right side
    370,792,649.70x = 188,572,040,152,083,264
  5. Step 5: Solve for x
    x = 188,572,040,152,083,264/370,792,649.70
  6. Step 6: Final answer
    x = 508,564,666.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.