Home / 1,466,618,407.68-2,029,262,978.88-1,278,838,269.92

Finding the Fourth Proportional to 1,466,618,407.68, 2,029,262,978.88 and 1,278,838,269.92

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Solution

The fourth proportional to 1,466,618,407.68, 2,029,262,978.88 and 1,278,838,269.92 is: 1,769,444,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,618,407.68 : 2,029,262,978.88 = 1,278,838,269.92 : x
  2. Step 2: Convert to fraction form
    1,466,618,407.68/2,029,262,978.88 = 1,278,838,269.92/x
  3. Step 3: Cross multiply
    1,466,618,407.68x = 2,029,262,978.88 × 1,278,838,269.92
  4. Step 4: Simplify right side
    1,466,618,407.68x = 2,595,099,157,123,604,992
  5. Step 5: Solve for x
    x = 2,595,099,157,123,604,992/1,466,618,407.68
  6. Step 6: Final answer
    x = 1,769,444,010.48

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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.