Home / 1,291,633,839.75-1,935,876,752.46-669,506,086.74

Finding the Fourth Proportional to 1,291,633,839.75, 1,935,876,752.46 and 669,506,086.74

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Solution

The fourth proportional to 1,291,633,839.75, 1,935,876,752.46 and 669,506,086.74 is: 1,003,443,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,633,839.75 : 1,935,876,752.46 = 669,506,086.74 : x
  2. Step 2: Convert to fraction form
    1,291,633,839.75/1,935,876,752.46 = 669,506,086.74/x
  3. Step 3: Cross multiply
    1,291,633,839.75x = 1,935,876,752.46 × 669,506,086.74
  4. Step 4: Simplify right side
    1,291,633,839.75x = 1,296,081,268,957,693,696
  5. Step 5: Solve for x
    x = 1,296,081,268,957,693,696/1,291,633,839.75
  6. Step 6: Final answer
    x = 1,003,443,258.50

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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.