Home / 858,110,780.70-1,287,170,509.77-267,851,541.15

Finding the Fourth Proportional to 858,110,780.70, 1,287,170,509.77 and 267,851,541.15

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Solution

The fourth proportional to 858,110,780.70, 1,287,170,509.77 and 267,851,541.15 is: 401,778,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,110,780.70 : 1,287,170,509.77 = 267,851,541.15 : x
  2. Step 2: Convert to fraction form
    858,110,780.70/1,287,170,509.77 = 267,851,541.15/x
  3. Step 3: Cross multiply
    858,110,780.70x = 1,287,170,509.77 × 267,851,541.15
  4. Step 4: Simplify right side
    858,110,780.70x = 344,770,604,764,725,632
  5. Step 5: Solve for x
    x = 344,770,604,764,725,632/858,110,780.70
  6. Step 6: Final answer
    x = 401,778,666.02

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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.