Home / 1,073,088,156.80-1,609,632,235.20-891,689,628.80

Finding the Fourth Proportional to 1,073,088,156.80, 1,609,632,235.20 and 891,689,628.80

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Solution

The fourth proportional to 1,073,088,156.80, 1,609,632,235.20 and 891,689,628.80 is: 1,337,534,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,156.80 : 1,609,632,235.20 = 891,689,628.80 : x
  2. Step 2: Convert to fraction form
    1,073,088,156.80/1,609,632,235.20 = 891,689,628.80/x
  3. Step 3: Cross multiply
    1,073,088,156.80x = 1,609,632,235.20 × 891,689,628.80
  4. Step 4: Simplify right side
    1,073,088,156.80x = 1,435,292,370,310,002,176
  5. Step 5: Solve for x
    x = 1,435,292,370,310,002,176/1,073,088,156.80
  6. Step 6: Final answer
    x = 1,337,534,443.20

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Half scale
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Double scale
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Similar ratio
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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.