Home / 1,126,674,958.40-1,687,996,898.40-953,338,587.20

Finding the Fourth Proportional to 1,126,674,958.40, 1,687,996,898.40 and 953,338,587.20

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Solution

The fourth proportional to 1,126,674,958.40, 1,687,996,898.40 and 953,338,587.20 is: 1,428,302,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,674,958.40 : 1,687,996,898.40 = 953,338,587.20 : x
  2. Step 2: Convert to fraction form
    1,126,674,958.40/1,687,996,898.40 = 953,338,587.20/x
  3. Step 3: Cross multiply
    1,126,674,958.40x = 1,687,996,898.40 × 953,338,587.20
  4. Step 4: Simplify right side
    1,126,674,958.40x = 1,609,232,578,318,638,080
  5. Step 5: Solve for x
    x = 1,609,232,578,318,638,080/1,126,674,958.40
  6. Step 6: Final answer
    x = 1,428,302,427.71

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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.