Home / 681,711,295.60-1,022,566,943.40-423,218,393.20

Finding the Fourth Proportional to 681,711,295.60, 1,022,566,943.40 and 423,218,393.20

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Solution

The fourth proportional to 681,711,295.60, 1,022,566,943.40 and 423,218,393.20 is: 634,827,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,711,295.60 : 1,022,566,943.40 = 423,218,393.20 : x
  2. Step 2: Convert to fraction form
    681,711,295.60/1,022,566,943.40 = 423,218,393.20/x
  3. Step 3: Cross multiply
    681,711,295.60x = 1,022,566,943.40 × 423,218,393.20
  4. Step 4: Simplify right side
    681,711,295.60x = 432,769,138,725,183,296
  5. Step 5: Solve for x
    x = 432,769,138,725,183,296/681,711,295.60
  6. Step 6: Final answer
    x = 634,827,589.80

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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.