Home / 724,510,347.41-1,086,828,123.23-199,879,449.36

Finding the Fourth Proportional to 724,510,347.41, 1,086,828,123.23 and 199,879,449.36

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Solution

The fourth proportional to 724,510,347.41, 1,086,828,123.23 and 199,879,449.36 is: 299,836,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,510,347.41 : 1,086,828,123.23 = 199,879,449.36 : x
  2. Step 2: Convert to fraction form
    724,510,347.41/1,086,828,123.23 = 199,879,449.36/x
  3. Step 3: Cross multiply
    724,510,347.41x = 1,086,828,123.23 × 199,879,449.36
  4. Step 4: Simplify right side
    724,510,347.41x = 217,234,606,817,142,848
  5. Step 5: Solve for x
    x = 217,234,606,817,142,848/724,510,347.41
  6. Step 6: Final answer
    x = 299,836,444.84

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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.