Home / 445,801,689.60-668,702,534.40-239,177,428.80

Finding the Fourth Proportional to 445,801,689.60, 668,702,534.40 and 239,177,428.80

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Solution

The fourth proportional to 445,801,689.60, 668,702,534.40 and 239,177,428.80 is: 358,766,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,801,689.60 : 668,702,534.40 = 239,177,428.80 : x
  2. Step 2: Convert to fraction form
    445,801,689.60/668,702,534.40 = 239,177,428.80/x
  3. Step 3: Cross multiply
    445,801,689.60x = 668,702,534.40 × 239,177,428.80
  4. Step 4: Simplify right side
    445,801,689.60x = 159,938,552,809,835,552
  5. Step 5: Solve for x
    x = 159,938,552,809,835,552/445,801,689.60
  6. Step 6: Final answer
    x = 358,766,143.20

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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.