Home / 1,126,674,957.40-1,687,996,896.90-953,338,586.20

Finding the Fourth Proportional to 1,126,674,957.40, 1,687,996,896.90 and 953,338,586.20

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Solution

The fourth proportional to 1,126,674,957.40, 1,687,996,896.90 and 953,338,586.20 is: 1,428,302,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,674,957.40 : 1,687,996,896.90 = 953,338,586.20 : x
  2. Step 2: Convert to fraction form
    1,126,674,957.40/1,687,996,896.90 = 953,338,586.20/x
  3. Step 3: Cross multiply
    1,126,674,957.40x = 1,687,996,896.90 × 953,338,586.20
  4. Step 4: Simplify right side
    1,126,674,957.40x = 1,609,232,575,200,633,344
  5. Step 5: Solve for x
    x = 1,609,232,575,200,633,344/1,126,674,957.40
  6. Step 6: Final answer
    x = 1,428,302,426.21

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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.