Home / 971,136,455.10-1,456,704,682.65-858,896,115.90

Finding the Fourth Proportional to 971,136,455.10, 1,456,704,682.65 and 858,896,115.90

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Solution

The fourth proportional to 971,136,455.10, 1,456,704,682.65 and 858,896,115.90 is: 1,288,344,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,136,455.10 : 1,456,704,682.65 = 858,896,115.90 : x
  2. Step 2: Convert to fraction form
    971,136,455.10/1,456,704,682.65 = 858,896,115.90/x
  3. Step 3: Cross multiply
    971,136,455.10x = 1,456,704,682.65 × 858,896,115.90
  4. Step 4: Simplify right side
    971,136,455.10x = 1,251,157,993,941,427,200
  5. Step 5: Solve for x
    x = 1,251,157,993,941,427,200/971,136,455.10
  6. Step 6: Final answer
    x = 1,288,344,173.85

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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.