Home / 257,896,254.40-386,844,381.60-234,087,697.60

Finding the Fourth Proportional to 257,896,254.40, 386,844,381.60 and 234,087,697.60

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Solution

The fourth proportional to 257,896,254.40, 386,844,381.60 and 234,087,697.60 is: 351,131,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,896,254.40 : 386,844,381.60 = 234,087,697.60 : x
  2. Step 2: Convert to fraction form
    257,896,254.40/386,844,381.60 = 234,087,697.60/x
  3. Step 3: Cross multiply
    257,896,254.40x = 386,844,381.60 × 234,087,697.60
  4. Step 4: Simplify right side
    257,896,254.40x = 90,555,510,618,239,808
  5. Step 5: Solve for x
    x = 90,555,510,618,239,808/257,896,254.40
  6. Step 6: Final answer
    x = 351,131,546.40

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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.