Home / 393,986,373.60-590,979,560.40-248,867,551.20

Finding the Fourth Proportional to 393,986,373.60, 590,979,560.40 and 248,867,551.20

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Solution

The fourth proportional to 393,986,373.60, 590,979,560.40 and 248,867,551.20 is: 373,301,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,986,373.60 : 590,979,560.40 = 248,867,551.20 : x
  2. Step 2: Convert to fraction form
    393,986,373.60/590,979,560.40 = 248,867,551.20/x
  3. Step 3: Cross multiply
    393,986,373.60x = 590,979,560.40 × 248,867,551.20
  4. Step 4: Simplify right side
    393,986,373.60x = 147,075,636,006,000,480
  5. Step 5: Solve for x
    x = 147,075,636,006,000,480/393,986,373.60
  6. Step 6: Final answer
    x = 373,301,326.80

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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.