Home / 1,103,156,742.40-1,655,222,488.38-578,400,384.46

Finding the Fourth Proportional to 1,103,156,742.40, 1,655,222,488.38 and 578,400,384.46

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Solution

The fourth proportional to 1,103,156,742.40, 1,655,222,488.38 and 578,400,384.46 is: 867,856,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156,742.40 : 1,655,222,488.38 = 578,400,384.46 : x
  2. Step 2: Convert to fraction form
    1,103,156,742.40/1,655,222,488.38 = 578,400,384.46/x
  3. Step 3: Cross multiply
    1,103,156,742.40x = 1,655,222,488.38 × 578,400,384.46
  4. Step 4: Simplify right side
    1,103,156,742.40x = 957,381,323,645,830,016
  5. Step 5: Solve for x
    x = 957,381,323,645,830,016/1,103,156,742.40
  6. Step 6: Final answer
    x = 867,856,114.05

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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.