Home / 332,172,918.80-498,259,378.20-315,544,720.40

Finding the Fourth Proportional to 332,172,918.80, 498,259,378.20 and 315,544,720.40

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Solution

The fourth proportional to 332,172,918.80, 498,259,378.20 and 315,544,720.40 is: 473,317,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,172,918.80 : 498,259,378.20 = 315,544,720.40 : x
  2. Step 2: Convert to fraction form
    332,172,918.80/498,259,378.20 = 315,544,720.40/x
  3. Step 3: Cross multiply
    332,172,918.80x = 498,259,378.20 × 315,544,720.40
  4. Step 4: Simplify right side
    332,172,918.80x = 157,223,116,180,796,832
  5. Step 5: Solve for x
    x = 157,223,116,180,796,832/332,172,918.80
  6. Step 6: Final answer
    x = 473,317,080.60

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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.