Home / 1,186,889,245.56-1,780,605,100.08-410,534,251.20

Finding the Fourth Proportional to 1,186,889,245.56, 1,780,605,100.08 and 410,534,251.20

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Solution

The fourth proportional to 1,186,889,245.56, 1,780,605,100.08 and 410,534,251.20 is: 615,895,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,889,245.56 : 1,780,605,100.08 = 410,534,251.20 : x
  2. Step 2: Convert to fraction form
    1,186,889,245.56/1,780,605,100.08 = 410,534,251.20/x
  3. Step 3: Cross multiply
    1,186,889,245.56x = 1,780,605,100.08 × 410,534,251.20
  4. Step 4: Simplify right side
    1,186,889,245.56x = 730,999,381,444,243,840
  5. Step 5: Solve for x
    x = 730,999,381,444,243,840/1,186,889,245.56
  6. Step 6: Final answer
    x = 615,895,193.40

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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.