Home / 1,102,009,778.35-1,520,716,083.91-684,313,102.87

Finding the Fourth Proportional to 1,102,009,778.35, 1,520,716,083.91 and 684,313,102.87

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Solution

The fourth proportional to 1,102,009,778.35, 1,520,716,083.91 and 684,313,102.87 is: 944,316,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,009,778.35 : 1,520,716,083.91 = 684,313,102.87 : x
  2. Step 2: Convert to fraction form
    1,102,009,778.35/1,520,716,083.91 = 684,313,102.87/x
  3. Step 3: Cross multiply
    1,102,009,778.35x = 1,520,716,083.91 × 684,313,102.87
  4. Step 4: Simplify right side
    1,102,009,778.35x = 1,040,645,941,964,767,488
  5. Step 5: Solve for x
    x = 1,040,645,941,964,767,488/1,102,009,778.35
  6. Step 6: Final answer
    x = 944,316,432.04

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1.5x scale

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.