Home / 776,953,432.80-1,165,430,149.20-772,418,469.60

Finding the Fourth Proportional to 776,953,432.80, 1,165,430,149.20 and 772,418,469.60

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Solution

The fourth proportional to 776,953,432.80, 1,165,430,149.20 and 772,418,469.60 is: 1,158,627,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,953,432.80 : 1,165,430,149.20 = 772,418,469.60 : x
  2. Step 2: Convert to fraction form
    776,953,432.80/1,165,430,149.20 = 772,418,469.60/x
  3. Step 3: Cross multiply
    776,953,432.80x = 1,165,430,149.20 × 772,418,469.60
  4. Step 4: Simplify right side
    776,953,432.80x = 900,199,772,270,763,776
  5. Step 5: Solve for x
    x = 900,199,772,270,763,776/776,953,432.80
  6. Step 6: Final answer
    x = 1,158,627,704.40

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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.