Home / 922,127,754.60-1,272,532,496.94-498,741,888.60

Finding the Fourth Proportional to 922,127,754.60, 1,272,532,496.94 and 498,741,888.60

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Solution

The fourth proportional to 922,127,754.60, 1,272,532,496.94 and 498,741,888.60 is: 688,261,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,127,754.60 : 1,272,532,496.94 = 498,741,888.60 : x
  2. Step 2: Convert to fraction form
    922,127,754.60/1,272,532,496.94 = 498,741,888.60/x
  3. Step 3: Cross multiply
    922,127,754.60x = 1,272,532,496.94 × 498,741,888.60
  4. Step 4: Simplify right side
    922,127,754.60x = 634,665,260,828,729,344
  5. Step 5: Solve for x
    x = 634,665,260,828,729,344/922,127,754.60
  6. Step 6: Final answer
    x = 688,261,748.62

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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.