Home / 1,103,156,741.40-1,655,222,486.88-578,400,383.46

Finding the Fourth Proportional to 1,103,156,741.40, 1,655,222,486.88 and 578,400,383.46

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Solution

The fourth proportional to 1,103,156,741.40, 1,655,222,486.88 and 578,400,383.46 is: 867,856,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156,741.40 : 1,655,222,486.88 = 578,400,383.46 : x
  2. Step 2: Convert to fraction form
    1,103,156,741.40/1,655,222,486.88 = 578,400,383.46/x
  3. Step 3: Cross multiply
    1,103,156,741.40x = 1,655,222,486.88 × 578,400,383.46
  4. Step 4: Simplify right side
    1,103,156,741.40x = 957,381,321,123,006,976
  5. Step 5: Solve for x
    x = 957,381,321,123,006,976/1,103,156,741.40
  6. Step 6: Final answer
    x = 867,856,112.55

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1.5x scale

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.