Home / 354,328,111.10-531,492,166.65-318,615,275.90

Finding the Fourth Proportional to 354,328,111.10, 531,492,166.65 and 318,615,275.90

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Solution

The fourth proportional to 354,328,111.10, 531,492,166.65 and 318,615,275.90 is: 477,922,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,111.10 : 531,492,166.65 = 318,615,275.90 : x
  2. Step 2: Convert to fraction form
    354,328,111.10/531,492,166.65 = 318,615,275.90/x
  3. Step 3: Cross multiply
    354,328,111.10x = 531,492,166.65 × 318,615,275.90
  4. Step 4: Simplify right side
    354,328,111.10x = 169,341,523,315,878,496
  5. Step 5: Solve for x
    x = 169,341,523,315,878,496/354,328,111.10
  6. Step 6: Final answer
    x = 477,922,913.85

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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.