Home / 1,887,681,198-2,831,530,752.76-577,581,160.86

Finding the Fourth Proportional to 1,887,681,198, 2,831,530,752.76 and 577,581,160.86

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Solution

The fourth proportional to 1,887,681,198, 2,831,530,752.76 and 577,581,160.86 is: 866,374,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,681,198 : 2,831,530,752.76 = 577,581,160.86 : x
  2. Step 2: Convert to fraction form
    1,887,681,198/2,831,530,752.76 = 577,581,160.86/x
  3. Step 3: Cross multiply
    1,887,681,198x = 2,831,530,752.76 × 577,581,160.86
  4. Step 4: Simplify right side
    1,887,681,198x = 1,635,438,819,189,910,528
  5. Step 5: Solve for x
    x = 1,635,438,819,189,910,528/1,887,681,198
  6. Step 6: Final answer
    x = 866,374,481.52

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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.