Home / 1,329,706,861.60-1,994,560,292.40-778,708,832.80

Finding the Fourth Proportional to 1,329,706,861.60, 1,994,560,292.40 and 778,708,832.80

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Solution

The fourth proportional to 1,329,706,861.60, 1,994,560,292.40 and 778,708,832.80 is: 1,168,063,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,706,861.60 : 1,994,560,292.40 = 778,708,832.80 : x
  2. Step 2: Convert to fraction form
    1,329,706,861.60/1,994,560,292.40 = 778,708,832.80/x
  3. Step 3: Cross multiply
    1,329,706,861.60x = 1,994,560,292.40 × 778,708,832.80
  4. Step 4: Simplify right side
    1,329,706,861.60x = 1,553,181,717,244,030,720
  5. Step 5: Solve for x
    x = 1,553,181,717,244,030,720/1,329,706,861.60
  6. Step 6: Final answer
    x = 1,168,063,249.20

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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.