Home / 706,492,654.67-974,942,044.00-388,949,730.46

Finding the Fourth Proportional to 706,492,654.67, 974,942,044.00 and 388,949,730.46

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Solution

The fourth proportional to 706,492,654.67, 974,942,044.00 and 388,949,730.46 is: 536,740,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,492,654.67 : 974,942,044.00 = 388,949,730.46 : x
  2. Step 2: Convert to fraction form
    706,492,654.67/974,942,044.00 = 388,949,730.46/x
  3. Step 3: Cross multiply
    706,492,654.67x = 974,942,044.00 × 388,949,730.46
  4. Step 4: Simplify right side
    706,492,654.67x = 379,203,445,224,511,680
  5. Step 5: Solve for x
    x = 379,203,445,224,511,680/706,492,654.67
  6. Step 6: Final answer
    x = 536,740,817.78

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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.