Home / 1,386,435,434.40-2,079,149,266.80-466,341,789.60

Finding the Fourth Proportional to 1,386,435,434.40, 2,079,149,266.80 and 466,341,789.60

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Solution

The fourth proportional to 1,386,435,434.40, 2,079,149,266.80 and 466,341,789.60 is: 699,343,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,435,434.40 : 2,079,149,266.80 = 466,341,789.60 : x
  2. Step 2: Convert to fraction form
    1,386,435,434.40/2,079,149,266.80 = 466,341,789.60/x
  3. Step 3: Cross multiply
    1,386,435,434.40x = 2,079,149,266.80 × 466,341,789.60
  4. Step 4: Simplify right side
    1,386,435,434.40x = 969,594,189,925,039,872
  5. Step 5: Solve for x
    x = 969,594,189,925,039,872/1,386,435,434.40
  6. Step 6: Final answer
    x = 699,343,197.58

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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.