Home / 713,570,158.24-985,149,002.76-449,478,525.04

Finding the Fourth Proportional to 713,570,158.24, 985,149,002.76 and 449,478,525.04

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Solution

The fourth proportional to 713,570,158.24, 985,149,002.76 and 449,478,525.04 is: 620,546,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,570,158.24 : 985,149,002.76 = 449,478,525.04 : x
  2. Step 2: Convert to fraction form
    713,570,158.24/985,149,002.76 = 449,478,525.04/x
  3. Step 3: Cross multiply
    713,570,158.24x = 985,149,002.76 × 449,478,525.04
  4. Step 4: Simplify right side
    713,570,158.24x = 442,803,320,705,191,680
  5. Step 5: Solve for x
    x = 442,803,320,705,191,680/713,570,158.24
  6. Step 6: Final answer
    x = 620,546,298.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.