Home / 770,730,496.83-1,063,609,138.89-418,306,492.98

Finding the Fourth Proportional to 770,730,496.83, 1,063,609,138.89 and 418,306,492.98

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Solution

The fourth proportional to 770,730,496.83, 1,063,609,138.89 and 418,306,492.98 is: 577,263,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,730,496.83 : 1,063,609,138.89 = 418,306,492.98 : x
  2. Step 2: Convert to fraction form
    770,730,496.83/1,063,609,138.89 = 418,306,492.98/x
  3. Step 3: Cross multiply
    770,730,496.83x = 1,063,609,138.89 × 418,306,492.98
  4. Step 4: Simplify right side
    770,730,496.83x = 444,914,608,790,553,664
  5. Step 5: Solve for x
    x = 444,914,608,790,553,664/770,730,496.83
  6. Step 6: Final answer
    x = 577,263,531.96

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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.