Home / 1,294,858,387.80-1,942,287,581.70-907,119,034.20

Finding the Fourth Proportional to 1,294,858,387.80, 1,942,287,581.70 and 907,119,034.20

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Solution

The fourth proportional to 1,294,858,387.80, 1,942,287,581.70 and 907,119,034.20 is: 1,360,678,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,858,387.80 : 1,942,287,581.70 = 907,119,034.20 : x
  2. Step 2: Convert to fraction form
    1,294,858,387.80/1,942,287,581.70 = 907,119,034.20/x
  3. Step 3: Cross multiply
    1,294,858,387.80x = 1,942,287,581.70 × 907,119,034.20
  4. Step 4: Simplify right side
    1,294,858,387.80x = 1,761,886,035,250,357,760
  5. Step 5: Solve for x
    x = 1,761,886,035,250,357,760/1,294,858,387.80
  6. Step 6: Final answer
    x = 1,360,678,551.30

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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.