Home / 290,304,043.20-435,456,064.80-175,642,257.60

Finding the Fourth Proportional to 290,304,043.20, 435,456,064.80 and 175,642,257.60

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Solution

The fourth proportional to 290,304,043.20, 435,456,064.80 and 175,642,257.60 is: 263,463,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,043.20 : 435,456,064.80 = 175,642,257.60 : x
  2. Step 2: Convert to fraction form
    290,304,043.20/435,456,064.80 = 175,642,257.60/x
  3. Step 3: Cross multiply
    290,304,043.20x = 435,456,064.80 × 175,642,257.60
  4. Step 4: Simplify right side
    290,304,043.20x = 76,484,486,307,083,888
  5. Step 5: Solve for x
    x = 76,484,486,307,083,888/290,304,043.20
  6. Step 6: Final answer
    x = 263,463,386.40

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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.