Home / 972,631,740.51-1,342,215,778.64-526,591,537.47

Finding the Fourth Proportional to 972,631,740.51, 1,342,215,778.64 and 526,591,537.47

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Solution

The fourth proportional to 972,631,740.51, 1,342,215,778.64 and 526,591,537.47 is: 726,687,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,631,740.51 : 1,342,215,778.64 = 526,591,537.47 : x
  2. Step 2: Convert to fraction form
    972,631,740.51/1,342,215,778.64 = 526,591,537.47/x
  3. Step 3: Cross multiply
    972,631,740.51x = 1,342,215,778.64 × 526,591,537.47
  4. Step 4: Simplify right side
    972,631,740.51x = 706,799,470,487,897,856
  5. Step 5: Solve for x
    x = 706,799,470,487,897,856/972,631,740.51
  6. Step 6: Final answer
    x = 726,687,646.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.