Home / 373,249,387.20-559,874,080.80-318,829,828.80

Finding the Fourth Proportional to 373,249,387.20, 559,874,080.80 and 318,829,828.80

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Solution

The fourth proportional to 373,249,387.20, 559,874,080.80 and 318,829,828.80 is: 478,244,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,249,387.20 : 559,874,080.80 = 318,829,828.80 : x
  2. Step 2: Convert to fraction form
    373,249,387.20/559,874,080.80 = 318,829,828.80/x
  3. Step 3: Cross multiply
    373,249,387.20x = 559,874,080.80 × 318,829,828.80
  4. Step 4: Simplify right side
    373,249,387.20x = 178,504,557,331,021,344
  5. Step 5: Solve for x
    x = 178,504,557,331,021,344/373,249,387.20
  6. Step 6: Final answer
    x = 478,244,743.20

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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.