Home / 332,172,940.80-498,259,411.20-315,544,742.40

Finding the Fourth Proportional to 332,172,940.80, 498,259,411.20 and 315,544,742.40

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Solution

The fourth proportional to 332,172,940.80, 498,259,411.20 and 315,544,742.40 is: 473,317,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,172,940.80 : 498,259,411.20 = 315,544,742.40 : x
  2. Step 2: Convert to fraction form
    332,172,940.80/498,259,411.20 = 315,544,742.40/x
  3. Step 3: Cross multiply
    332,172,940.80x = 498,259,411.20 × 315,544,742.40
  4. Step 4: Simplify right side
    332,172,940.80x = 157,223,137,555,479,648
  5. Step 5: Solve for x
    x = 157,223,137,555,479,648/332,172,940.80
  6. Step 6: Final answer
    x = 473,317,113.60

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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.