Home / 817,847,620.60-1,226,771,430.90-491,330,270.20

Finding the Fourth Proportional to 817,847,620.60, 1,226,771,430.90 and 491,330,270.20

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Solution

The fourth proportional to 817,847,620.60, 1,226,771,430.90 and 491,330,270.20 is: 736,995,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,847,620.60 : 1,226,771,430.90 = 491,330,270.20 : x
  2. Step 2: Convert to fraction form
    817,847,620.60/1,226,771,430.90 = 491,330,270.20/x
  3. Step 3: Cross multiply
    817,847,620.60x = 1,226,771,430.90 × 491,330,270.20
  4. Step 4: Simplify right side
    817,847,620.60x = 602,749,938,617,737,600
  5. Step 5: Solve for x
    x = 602,749,938,617,737,600/817,847,620.60
  6. Step 6: Final answer
    x = 736,995,405.30

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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.