Home / 356,811,526.80-492,490,418.49-243,826,776.54

Finding the Fourth Proportional to 356,811,526.80, 492,490,418.49 and 243,826,776.54

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Solution

The fourth proportional to 356,811,526.80, 492,490,418.49 and 243,826,776.54 is: 336,542,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,811,526.80 : 492,490,418.49 = 243,826,776.54 : x
  2. Step 2: Convert to fraction form
    356,811,526.80/492,490,418.49 = 243,826,776.54/x
  3. Step 3: Cross multiply
    356,811,526.80x = 492,490,418.49 × 243,826,776.54
  4. Step 4: Simplify right side
    356,811,526.80x = 120,082,351,217,252,320
  5. Step 5: Solve for x
    x = 120,082,351,217,252,320/356,811,526.80
  6. Step 6: Final answer
    x = 336,542,802.57

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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.