Home / 971,134,708.60-1,456,702,062.90-858,894,369.40

Finding the Fourth Proportional to 971,134,708.60, 1,456,702,062.90 and 858,894,369.40

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Solution

The fourth proportional to 971,134,708.60, 1,456,702,062.90 and 858,894,369.40 is: 1,288,341,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,134,708.60 : 1,456,702,062.90 = 858,894,369.40 : x
  2. Step 2: Convert to fraction form
    971,134,708.60/1,456,702,062.90 = 858,894,369.40/x
  3. Step 3: Cross multiply
    971,134,708.60x = 1,456,702,062.90 × 858,894,369.40
  4. Step 4: Simplify right side
    971,134,708.60x = 1,251,153,199,718,174,720
  5. Step 5: Solve for x
    x = 1,251,153,199,718,174,720/971,134,708.60
  6. Step 6: Final answer
    x = 1,288,341,554.10

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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.