Home / 747,159,993.60-1,120,739,990.40-402,786,225.60

Finding the Fourth Proportional to 747,159,993.60, 1,120,739,990.40 and 402,786,225.60

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Solution

The fourth proportional to 747,159,993.60, 1,120,739,990.40 and 402,786,225.60 is: 604,179,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,159,993.60 : 1,120,739,990.40 = 402,786,225.60 : x
  2. Step 2: Convert to fraction form
    747,159,993.60/1,120,739,990.40 = 402,786,225.60/x
  3. Step 3: Cross multiply
    747,159,993.60x = 1,120,739,990.40 × 402,786,225.60
  4. Step 4: Simplify right side
    747,159,993.60x = 451,418,630,612,196,288
  5. Step 5: Solve for x
    x = 451,418,630,612,196,288/747,159,993.60
  6. Step 6: Final answer
    x = 604,179,338.40

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Double scale
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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.