Home / 1,465,105,720.60-2,197,658,580.90-544,791,626.20

Finding the Fourth Proportional to 1,465,105,720.60, 2,197,658,580.90 and 544,791,626.20

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Solution

The fourth proportional to 1,465,105,720.60, 2,197,658,580.90 and 544,791,626.20 is: 817,187,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,105,720.60 : 2,197,658,580.90 = 544,791,626.20 : x
  2. Step 2: Convert to fraction form
    1,465,105,720.60/2,197,658,580.90 = 544,791,626.20/x
  3. Step 3: Cross multiply
    1,465,105,720.60x = 2,197,658,580.90 × 544,791,626.20
  4. Step 4: Simplify right side
    1,465,105,720.60x = 1,197,265,992,120,895,488
  5. Step 5: Solve for x
    x = 1,197,265,992,120,895,488/1,465,105,720.60
  6. Step 6: Final answer
    x = 817,187,439.30

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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.