Home / 1,323,869,695.70-1,985,804,543.55-864,704,671.70

Finding the Fourth Proportional to 1,323,869,695.70, 1,985,804,543.55 and 864,704,671.70

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Solution

The fourth proportional to 1,323,869,695.70, 1,985,804,543.55 and 864,704,671.70 is: 1,297,057,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,869,695.70 : 1,985,804,543.55 = 864,704,671.70 : x
  2. Step 2: Convert to fraction form
    1,323,869,695.70/1,985,804,543.55 = 864,704,671.70/x
  3. Step 3: Cross multiply
    1,323,869,695.70x = 1,985,804,543.55 × 864,704,671.70
  4. Step 4: Simplify right side
    1,323,869,695.70x = 1,717,134,465,890,771,200
  5. Step 5: Solve for x
    x = 1,717,134,465,890,771,200/1,323,869,695.70
  6. Step 6: Final answer
    x = 1,297,057,007.55

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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.