Home / 1,542,839,903.48-2,129,082,853.65-907,801,526.24

Finding the Fourth Proportional to 1,542,839,903.48, 2,129,082,853.65 and 907,801,526.24

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Solution

The fourth proportional to 1,542,839,903.48, 2,129,082,853.65 and 907,801,526.24 is: 1,252,744,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,839,903.48 : 2,129,082,853.65 = 907,801,526.24 : x
  2. Step 2: Convert to fraction form
    1,542,839,903.48/2,129,082,853.65 = 907,801,526.24/x
  3. Step 3: Cross multiply
    1,542,839,903.48x = 2,129,082,853.65 × 907,801,526.24
  4. Step 4: Simplify right side
    1,542,839,903.48x = 1,932,784,664,034,884,608
  5. Step 5: Solve for x
    x = 1,932,784,664,034,884,608/1,542,839,903.48
  6. Step 6: Final answer
    x = 1,252,744,798.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.