Home / 885,695,760.60-1,328,543,640.90-340,455,082.20

Finding the Fourth Proportional to 885,695,760.60, 1,328,543,640.90 and 340,455,082.20

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Solution

The fourth proportional to 885,695,760.60, 1,328,543,640.90 and 340,455,082.20 is: 510,682,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,695,760.60 : 1,328,543,640.90 = 340,455,082.20 : x
  2. Step 2: Convert to fraction form
    885,695,760.60/1,328,543,640.90 = 340,455,082.20/x
  3. Step 3: Cross multiply
    885,695,760.60x = 1,328,543,640.90 × 340,455,082.20
  4. Step 4: Simplify right side
    885,695,760.60x = 452,309,434,468,896,768
  5. Step 5: Solve for x
    x = 452,309,434,468,896,768/885,695,760.60
  6. Step 6: Final answer
    x = 510,682,623.30

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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.