Home / 1,274,932,843.13-1,759,389,439.20-710,441,516.96

Finding the Fourth Proportional to 1,274,932,843.13, 1,759,389,439.20 and 710,441,516.96

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Solution

The fourth proportional to 1,274,932,843.13, 1,759,389,439.20 and 710,441,516.96 is: 980,399,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,932,843.13 : 1,759,389,439.20 = 710,441,516.96 : x
  2. Step 2: Convert to fraction form
    1,274,932,843.13/1,759,389,439.20 = 710,441,516.96/x
  3. Step 3: Cross multiply
    1,274,932,843.13x = 1,759,389,439.20 × 710,441,516.96
  4. Step 4: Simplify right side
    1,274,932,843.13x = 1,249,943,302,099,854,848
  5. Step 5: Solve for x
    x = 1,249,943,302,099,854,848/1,274,932,843.13
  6. Step 6: Final answer
    x = 980,399,327.57

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Double scale
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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.