Home / 681,711,290.60-1,022,566,935.90-423,218,388.20

Finding the Fourth Proportional to 681,711,290.60, 1,022,566,935.90 and 423,218,388.20

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Solution

The fourth proportional to 681,711,290.60, 1,022,566,935.90 and 423,218,388.20 is: 634,827,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,711,290.60 : 1,022,566,935.90 = 423,218,388.20 : x
  2. Step 2: Convert to fraction form
    681,711,290.60/1,022,566,935.90 = 423,218,388.20/x
  3. Step 3: Cross multiply
    681,711,290.60x = 1,022,566,935.90 × 423,218,388.20
  4. Step 4: Simplify right side
    681,711,290.60x = 432,769,130,438,210,688
  5. Step 5: Solve for x
    x = 432,769,130,438,210,688/681,711,290.60
  6. Step 6: Final answer
    x = 634,827,582.30

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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.