Home / 420,870,227.01-580,821,156.56-232,695,038.94

Finding the Fourth Proportional to 420,870,227.01, 580,821,156.56 and 232,695,038.94

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Solution

The fourth proportional to 420,870,227.01, 580,821,156.56 and 232,695,038.94 is: 321,130,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,870,227.01 : 580,821,156.56 = 232,695,038.94 : x
  2. Step 2: Convert to fraction form
    420,870,227.01/580,821,156.56 = 232,695,038.94/x
  3. Step 3: Cross multiply
    420,870,227.01x = 580,821,156.56 × 232,695,038.94
  4. Step 4: Simplify right side
    420,870,227.01x = 135,154,201,641,741,552
  5. Step 5: Solve for x
    x = 135,154,201,641,741,552/420,870,227.01
  6. Step 6: Final answer
    x = 321,130,346.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.