Home / 1,419,699,322.40-2,129,548,983.60-655,287,418.40

Finding the Fourth Proportional to 1,419,699,322.40, 2,129,548,983.60 and 655,287,418.40

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Solution

The fourth proportional to 1,419,699,322.40, 2,129,548,983.60 and 655,287,418.40 is: 982,931,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,699,322.40 : 2,129,548,983.60 = 655,287,418.40 : x
  2. Step 2: Convert to fraction form
    1,419,699,322.40/2,129,548,983.60 = 655,287,418.40/x
  3. Step 3: Cross multiply
    1,419,699,322.40x = 2,129,548,983.60 × 655,287,418.40
  4. Step 4: Simplify right side
    1,419,699,322.40x = 1,395,466,655,819,587,840
  5. Step 5: Solve for x
    x = 1,395,466,655,819,587,840/1,419,699,322.40
  6. Step 6: Final answer
    x = 982,931,127.60

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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.