Home / 454,410,366.30-681,615,549.45-398,290,196.70

Finding the Fourth Proportional to 454,410,366.30, 681,615,549.45 and 398,290,196.70

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Solution

The fourth proportional to 454,410,366.30, 681,615,549.45 and 398,290,196.70 is: 597,435,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,410,366.30 : 681,615,549.45 = 398,290,196.70 : x
  2. Step 2: Convert to fraction form
    454,410,366.30/681,615,549.45 = 398,290,196.70/x
  3. Step 3: Cross multiply
    454,410,366.30x = 681,615,549.45 × 398,290,196.70
  4. Step 4: Simplify right side
    454,410,366.30x = 271,480,791,264,219,072
  5. Step 5: Solve for x
    x = 271,480,791,264,219,072/454,410,366.30
  6. Step 6: Final answer
    x = 597,435,295.05

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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.