Home / 922,691,376.37-1,273,309,516.60-499,304,739.25

Finding the Fourth Proportional to 922,691,376.37, 1,273,309,516.60 and 499,304,739.25

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Solution

The fourth proportional to 922,691,376.37, 1,273,309,516.60 and 499,304,739.25 is: 689,038,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,691,376.37 : 1,273,309,516.60 = 499,304,739.25 : x
  2. Step 2: Convert to fraction form
    922,691,376.37/1,273,309,516.60 = 499,304,739.25/x
  3. Step 3: Cross multiply
    922,691,376.37x = 1,273,309,516.60 × 499,304,739.25
  4. Step 4: Simplify right side
    922,691,376.37x = 635,769,476,170,506,496
  5. Step 5: Solve for x
    x = 635,769,476,170,506,496/922,691,376.37
  6. Step 6: Final answer
    x = 689,038,060.24

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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.