Home / 1,419,699,366.40-2,129,549,049.60-655,287,462.40

Finding the Fourth Proportional to 1,419,699,366.40, 2,129,549,049.60 and 655,287,462.40

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Solution

The fourth proportional to 1,419,699,366.40, 2,129,549,049.60 and 655,287,462.40 is: 982,931,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,699,366.40 : 2,129,549,049.60 = 655,287,462.40 : x
  2. Step 2: Convert to fraction form
    1,419,699,366.40/2,129,549,049.60 = 655,287,462.40/x
  3. Step 3: Cross multiply
    1,419,699,366.40x = 2,129,549,049.60 × 655,287,462.40
  4. Step 4: Simplify right side
    1,419,699,366.40x = 1,395,466,792,768,715,520
  5. Step 5: Solve for x
    x = 1,395,466,792,768,715,520/1,419,699,366.40
  6. Step 6: Final answer
    x = 982,931,193.60

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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.