Home / 1,103,156,744.67-1,655,222,491.76-578,400,386.70

Finding the Fourth Proportional to 1,103,156,744.67, 1,655,222,491.76 and 578,400,386.70

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Solution

The fourth proportional to 1,103,156,744.67, 1,655,222,491.76 and 578,400,386.70 is: 867,856,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156,744.67 : 1,655,222,491.76 = 578,400,386.70 : x
  2. Step 2: Convert to fraction form
    1,103,156,744.67/1,655,222,491.76 = 578,400,386.70/x
  3. Step 3: Cross multiply
    1,103,156,744.67x = 1,655,222,491.76 × 578,400,386.70
  4. Step 4: Simplify right side
    1,103,156,744.67x = 957,381,329,305,629,696
  5. Step 5: Solve for x
    x = 957,381,329,305,629,696/1,103,156,744.67
  6. Step 6: Final answer
    x = 867,856,117.39

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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.