Home / 930,817,453.60-1,396,226,180.40-787,490,221.60

Finding the Fourth Proportional to 930,817,453.60, 1,396,226,180.40 and 787,490,221.60

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Solution

The fourth proportional to 930,817,453.60, 1,396,226,180.40 and 787,490,221.60 is: 1,181,235,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,817,453.60 : 1,396,226,180.40 = 787,490,221.60 : x
  2. Step 2: Convert to fraction form
    930,817,453.60/1,396,226,180.40 = 787,490,221.60/x
  3. Step 3: Cross multiply
    930,817,453.60x = 1,396,226,180.40 × 787,490,221.60
  4. Step 4: Simplify right side
    930,817,453.60x = 1,099,514,464,206,917,632
  5. Step 5: Solve for x
    x = 1,099,514,464,206,917,632/930,817,453.60
  6. Step 6: Final answer
    x = 1,181,235,332.40

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1.5x scale

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.