Home / 1,155,446,851.36-1,594,516,654.88-660,420,188.64

Finding the Fourth Proportional to 1,155,446,851.36, 1,594,516,654.88 and 660,420,188.64

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Solution

The fourth proportional to 1,155,446,851.36, 1,594,516,654.88 and 660,420,188.64 is: 911,379,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,851.36 : 1,594,516,654.88 = 660,420,188.64 : x
  2. Step 2: Convert to fraction form
    1,155,446,851.36/1,594,516,654.88 = 660,420,188.64/x
  3. Step 3: Cross multiply
    1,155,446,851.36x = 1,594,516,654.88 × 660,420,188.64
  4. Step 4: Simplify right side
    1,155,446,851.36x = 1,053,050,990,005,471,488
  5. Step 5: Solve for x
    x = 1,053,050,990,005,471,488/1,155,446,851.36
  6. Step 6: Final answer
    x = 911,379,860.33

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1.5x scale

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.