Home / 1,294,880,107.20-1,942,320,160.80-900,338,308.80

Finding the Fourth Proportional to 1,294,880,107.20, 1,942,320,160.80 and 900,338,308.80

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Solution

The fourth proportional to 1,294,880,107.20, 1,942,320,160.80 and 900,338,308.80 is: 1,350,507,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,880,107.20 : 1,942,320,160.80 = 900,338,308.80 : x
  2. Step 2: Convert to fraction form
    1,294,880,107.20/1,942,320,160.80 = 900,338,308.80/x
  3. Step 3: Cross multiply
    1,294,880,107.20x = 1,942,320,160.80 × 900,338,308.80
  4. Step 4: Simplify right side
    1,294,880,107.20x = 1,748,745,248,722,816,000
  5. Step 5: Solve for x
    x = 1,748,745,248,722,816,000/1,294,880,107.20
  6. Step 6: Final answer
    x = 1,350,507,463.20

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Double scale
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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.