Home / 861,840,400.05-1,292,760,600.08-848,235,510.45

Finding the Fourth Proportional to 861,840,400.05, 1,292,760,600.08 and 848,235,510.45

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Solution

The fourth proportional to 861,840,400.05, 1,292,760,600.08 and 848,235,510.45 is: 1,272,353,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,840,400.05 : 1,292,760,600.08 = 848,235,510.45 : x
  2. Step 2: Convert to fraction form
    861,840,400.05/1,292,760,600.08 = 848,235,510.45/x
  3. Step 3: Cross multiply
    861,840,400.05x = 1,292,760,600.08 × 848,235,510.45
  4. Step 4: Simplify right side
    861,840,400.05x = 1,096,565,447,494,265,984
  5. Step 5: Solve for x
    x = 1,096,565,447,494,265,984/861,840,400.05
  6. Step 6: Final answer
    x = 1,272,353,265.68

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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.