Home / 367,437,772.80-550,589,788.80-318,686,918.40

Finding the Fourth Proportional to 367,437,772.80, 550,589,788.80 and 318,686,918.40

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Solution

The fourth proportional to 367,437,772.80, 550,589,788.80 and 318,686,918.40 is: 477,538,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,437,772.80 : 550,589,788.80 = 318,686,918.40 : x
  2. Step 2: Convert to fraction form
    367,437,772.80/550,589,788.80 = 318,686,918.40/x
  3. Step 3: Cross multiply
    367,437,772.80x = 550,589,788.80 × 318,686,918.40
  4. Step 4: Simplify right side
    367,437,772.80x = 175,465,763,095,178,816
  5. Step 5: Solve for x
    x = 175,465,763,095,178,816/367,437,772.80
  6. Step 6: Final answer
    x = 477,538,718.35

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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.