Home / 893,779,249.76-1,233,395,998.80-517,451,694.56

Finding the Fourth Proportional to 893,779,249.76, 1,233,395,998.80 and 517,451,694.56

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Solution

The fourth proportional to 893,779,249.76, 1,233,395,998.80 and 517,451,694.56 is: 714,072,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,779,249.76 : 1,233,395,998.80 = 517,451,694.56 : x
  2. Step 2: Convert to fraction form
    893,779,249.76/1,233,395,998.80 = 517,451,694.56/x
  3. Step 3: Cross multiply
    893,779,249.76x = 1,233,395,998.80 × 517,451,694.56
  4. Step 4: Simplify right side
    893,779,249.76x = 638,222,849,642,583,680
  5. Step 5: Solve for x
    x = 638,222,849,642,583,680/893,779,249.76
  6. Step 6: Final answer
    x = 714,072,126.66

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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.