Home / 1,102,009,780.35-1,520,716,086.68-684,313,104.87

Finding the Fourth Proportional to 1,102,009,780.35, 1,520,716,086.68 and 684,313,104.87

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Solution

The fourth proportional to 1,102,009,780.35, 1,520,716,086.68 and 684,313,104.87 is: 944,316,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,009,780.35 : 1,520,716,086.68 = 684,313,104.87 : x
  2. Step 2: Convert to fraction form
    1,102,009,780.35/1,520,716,086.68 = 684,313,104.87/x
  3. Step 3: Cross multiply
    1,102,009,780.35x = 1,520,716,086.68 × 684,313,104.87
  4. Step 4: Simplify right side
    1,102,009,780.35x = 1,040,645,946,898,325,248
  5. Step 5: Solve for x
    x = 1,040,645,946,898,325,248/1,102,009,780.35
  6. Step 6: Final answer
    x = 944,316,434.80

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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.