Home / 481,536,030.40-722,304,045.60-358,911,620.80

Finding the Fourth Proportional to 481,536,030.40, 722,304,045.60 and 358,911,620.80

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Solution

The fourth proportional to 481,536,030.40, 722,304,045.60 and 358,911,620.80 is: 538,367,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,536,030.40 : 722,304,045.60 = 358,911,620.80 : x
  2. Step 2: Convert to fraction form
    481,536,030.40/722,304,045.60 = 358,911,620.80/x
  3. Step 3: Cross multiply
    481,536,030.40x = 722,304,045.60 × 358,911,620.80
  4. Step 4: Simplify right side
    481,536,030.40x = 259,243,315,716,693,120
  5. Step 5: Solve for x
    x = 259,243,315,716,693,120/481,536,030.40
  6. Step 6: Final answer
    x = 538,367,431.20

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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.