Home / 1,921,778,386.53-2,881,922,319.41-661,002,774.97

Finding the Fourth Proportional to 1,921,778,386.53, 2,881,922,319.41 and 661,002,774.97

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Solution

The fourth proportional to 1,921,778,386.53, 2,881,922,319.41 and 661,002,774.97 is: 991,247,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,778,386.53 : 2,881,922,319.41 = 661,002,774.97 : x
  2. Step 2: Convert to fraction form
    1,921,778,386.53/2,881,922,319.41 = 661,002,774.97/x
  3. Step 3: Cross multiply
    1,921,778,386.53x = 2,881,922,319.41 × 661,002,774.97
  4. Step 4: Simplify right side
    1,921,778,386.53x = 1,904,958,650,377,988,608
  5. Step 5: Solve for x
    x = 1,904,958,650,377,988,608/1,921,778,386.53
  6. Step 6: Final answer
    x = 991,247,827.39

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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.