Home / 354,328,175.10-531,492,262.65-318,615,339.90

Finding the Fourth Proportional to 354,328,175.10, 531,492,262.65 and 318,615,339.90

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Solution

The fourth proportional to 354,328,175.10, 531,492,262.65 and 318,615,339.90 is: 477,923,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,175.10 : 531,492,262.65 = 318,615,339.90 : x
  2. Step 2: Convert to fraction form
    354,328,175.10/531,492,262.65 = 318,615,339.90/x
  3. Step 3: Cross multiply
    354,328,175.10x = 531,492,262.65 × 318,615,339.90
  4. Step 4: Simplify right side
    354,328,175.10x = 169,341,587,918,449,792
  5. Step 5: Solve for x
    x = 169,341,587,918,449,792/354,328,175.10
  6. Step 6: Final answer
    x = 477,923,009.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.