Home / 1,419,699,320.90-2,129,548,981.35-655,287,416.90

Finding the Fourth Proportional to 1,419,699,320.90, 2,129,548,981.35 and 655,287,416.90

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Solution

The fourth proportional to 1,419,699,320.90, 2,129,548,981.35 and 655,287,416.90 is: 982,931,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,699,320.90 : 2,129,548,981.35 = 655,287,416.90 : x
  2. Step 2: Convert to fraction form
    1,419,699,320.90/2,129,548,981.35 = 655,287,416.90/x
  3. Step 3: Cross multiply
    1,419,699,320.90x = 2,129,548,981.35 × 655,287,416.90
  4. Step 4: Simplify right side
    1,419,699,320.90x = 1,395,466,651,150,867,712
  5. Step 5: Solve for x
    x = 1,395,466,651,150,867,712/1,419,699,320.90
  6. Step 6: Final answer
    x = 982,931,125.35

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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.