Home / 1,379,344,009.60-2,069,016,014.40-724,041,827.20

Finding the Fourth Proportional to 1,379,344,009.60, 2,069,016,014.40 and 724,041,827.20

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Solution

The fourth proportional to 1,379,344,009.60, 2,069,016,014.40 and 724,041,827.20 is: 1,086,062,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,344,009.60 : 2,069,016,014.40 = 724,041,827.20 : x
  2. Step 2: Convert to fraction form
    1,379,344,009.60/2,069,016,014.40 = 724,041,827.20/x
  3. Step 3: Cross multiply
    1,379,344,009.60x = 2,069,016,014.40 × 724,041,827.20
  4. Step 4: Simplify right side
    1,379,344,009.60x = 1,498,054,135,572,237,568
  5. Step 5: Solve for x
    x = 1,498,054,135,572,237,568/1,379,344,009.60
  6. Step 6: Final answer
    x = 1,086,062,740.80

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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.