Home / 1,103,156,746.92-1,655,222,495.14-578,400,388.96

Finding the Fourth Proportional to 1,103,156,746.92, 1,655,222,495.14 and 578,400,388.96

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Solution

The fourth proportional to 1,103,156,746.92, 1,655,222,495.14 and 578,400,388.96 is: 867,856,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156,746.92 : 1,655,222,495.14 = 578,400,388.96 : x
  2. Step 2: Convert to fraction form
    1,103,156,746.92/1,655,222,495.14 = 578,400,388.96/x
  3. Step 3: Cross multiply
    1,103,156,746.92x = 1,655,222,495.14 × 578,400,388.96
  4. Step 4: Simplify right side
    1,103,156,746.92x = 957,381,335,004,317,824
  5. Step 5: Solve for x
    x = 957,381,335,004,317,824/1,103,156,746.92
  6. Step 6: Final answer
    x = 867,856,120.79

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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.