Home / 1,260,808,863.60-1,889,620,770.60-613,182,111.60

Finding the Fourth Proportional to 1,260,808,863.60, 1,889,620,770.60 and 613,182,111.60

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Solution

The fourth proportional to 1,260,808,863.60, 1,889,620,770.60 and 613,182,111.60 is: 918,998,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,808,863.60 : 1,889,620,770.60 = 613,182,111.60 : x
  2. Step 2: Convert to fraction form
    1,260,808,863.60/1,889,620,770.60 = 613,182,111.60/x
  3. Step 3: Cross multiply
    1,260,808,863.60x = 1,889,620,770.60 × 613,182,111.60
  4. Step 4: Simplify right side
    1,260,808,863.60x = 1,158,681,654,239,727,104
  5. Step 5: Solve for x
    x = 1,158,681,654,239,727,104/1,260,808,863.60
  6. Step 6: Final answer
    x = 918,998,658.47

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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.