Home / 407,807,895.10-611,950,991.10-149,049,272.20

Finding the Fourth Proportional to 407,807,895.10, 611,950,991.10 and 149,049,272.20

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Solution

The fourth proportional to 407,807,895.10, 611,950,991.10 and 149,049,272.20 is: 223,661,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,807,895.10 : 611,950,991.10 = 149,049,272.20 : x
  2. Step 2: Convert to fraction form
    407,807,895.10/611,950,991.10 = 149,049,272.20/x
  3. Step 3: Cross multiply
    407,807,895.10x = 611,950,991.10 × 149,049,272.20
  4. Step 4: Simplify right side
    407,807,895.10x = 91,210,849,845,523,680
  5. Step 5: Solve for x
    x = 91,210,849,845,523,680/407,807,895.10
  6. Step 6: Final answer
    x = 223,661,314.41

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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.