Home / 1,119,584,516.40-1,680,132,601.80-730,459,479.60

Finding the Fourth Proportional to 1,119,584,516.40, 1,680,132,601.80 and 730,459,479.60

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Solution

The fourth proportional to 1,119,584,516.40, 1,680,132,601.80 and 730,459,479.60 is: 1,096,182,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,584,516.40 : 1,680,132,601.80 = 730,459,479.60 : x
  2. Step 2: Convert to fraction form
    1,119,584,516.40/1,680,132,601.80 = 730,459,479.60/x
  3. Step 3: Cross multiply
    1,119,584,516.40x = 1,680,132,601.80 × 730,459,479.60
  4. Step 4: Simplify right side
    1,119,584,516.40x = 1,227,268,785,969,821,952
  5. Step 5: Solve for x
    x = 1,227,268,785,969,821,952/1,119,584,516.40
  6. Step 6: Final answer
    x = 1,096,182,349.78

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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.