Home / 354,924,815.60-532,387,223.40-163,821,839.60

Finding the Fourth Proportional to 354,924,815.60, 532,387,223.40 and 163,821,839.60

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Solution

The fourth proportional to 354,924,815.60, 532,387,223.40 and 163,821,839.60 is: 245,732,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,924,815.60 : 532,387,223.40 = 163,821,839.60 : x
  2. Step 2: Convert to fraction form
    354,924,815.60/532,387,223.40 = 163,821,839.60/x
  3. Step 3: Cross multiply
    354,924,815.60x = 532,387,223.40 × 163,821,839.60
  4. Step 4: Simplify right side
    354,924,815.60x = 87,216,654,316,924,160
  5. Step 5: Solve for x
    x = 87,216,654,316,924,160/354,924,815.60
  6. Step 6: Final answer
    x = 245,732,759.40

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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.