Home / 454,281,010.80-681,421,516.20-291,022,335.60

Finding the Fourth Proportional to 454,281,010.80, 681,421,516.20 and 291,022,335.60

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Solution

The fourth proportional to 454,281,010.80, 681,421,516.20 and 291,022,335.60 is: 436,533,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,281,010.80 : 681,421,516.20 = 291,022,335.60 : x
  2. Step 2: Convert to fraction form
    454,281,010.80/681,421,516.20 = 291,022,335.60/x
  3. Step 3: Cross multiply
    454,281,010.80x = 681,421,516.20 × 291,022,335.60
  4. Step 4: Simplify right side
    454,281,010.80x = 198,308,881,172,617,280
  5. Step 5: Solve for x
    x = 198,308,881,172,617,280/454,281,010.80
  6. Step 6: Final answer
    x = 436,533,503.40

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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.