Home / 354,824,929.60-532,237,394.40-218,664,059.20

Finding the Fourth Proportional to 354,824,929.60, 532,237,394.40 and 218,664,059.20

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Solution

The fourth proportional to 354,824,929.60, 532,237,394.40 and 218,664,059.20 is: 327,996,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,824,929.60 : 532,237,394.40 = 218,664,059.20 : x
  2. Step 2: Convert to fraction form
    354,824,929.60/532,237,394.40 = 218,664,059.20/x
  3. Step 3: Cross multiply
    354,824,929.60x = 532,237,394.40 × 218,664,059.20
  4. Step 4: Simplify right side
    354,824,929.60x = 116,381,189,117,535,344
  5. Step 5: Solve for x
    x = 116,381,189,117,535,344/354,824,929.60
  6. Step 6: Final answer
    x = 327,996,088.80

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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.