Home / 971,034,406.60-1,456,551,609.90-858,794,067.40

Finding the Fourth Proportional to 971,034,406.60, 1,456,551,609.90 and 858,794,067.40

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Solution

The fourth proportional to 971,034,406.60, 1,456,551,609.90 and 858,794,067.40 is: 1,288,191,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,034,406.60 : 1,456,551,609.90 = 858,794,067.40 : x
  2. Step 2: Convert to fraction form
    971,034,406.60/1,456,551,609.90 = 858,794,067.40/x
  3. Step 3: Cross multiply
    971,034,406.60x = 1,456,551,609.90 × 858,794,067.40
  4. Step 4: Simplify right side
    971,034,406.60x = 1,250,877,881,444,039,168
  5. Step 5: Solve for x
    x = 1,250,877,881,444,039,168/971,034,406.60
  6. Step 6: Final answer
    x = 1,288,191,101.10

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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.