Home / 1,941,696,039.40-2,912,544,059.10-649,231,527.40

Finding the Fourth Proportional to 1,941,696,039.40, 2,912,544,059.10 and 649,231,527.40

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Solution

The fourth proportional to 1,941,696,039.40, 2,912,544,059.10 and 649,231,527.40 is: 973,847,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,696,039.40 : 2,912,544,059.10 = 649,231,527.40 : x
  2. Step 2: Convert to fraction form
    1,941,696,039.40/2,912,544,059.10 = 649,231,527.40/x
  3. Step 3: Cross multiply
    1,941,696,039.40x = 2,912,544,059.10 × 649,231,527.40
  4. Step 4: Simplify right side
    1,941,696,039.40x = 1,890,915,428,109,288,704
  5. Step 5: Solve for x
    x = 1,890,915,428,109,288,704/1,941,696,039.40
  6. Step 6: Final answer
    x = 973,847,291.10

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Double scale
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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.