Home / 260,347,752.90-388,221,427.49-258,010,987.14

Finding the Fourth Proportional to 260,347,752.90, 388,221,427.49 and 258,010,987.14

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Solution

The fourth proportional to 260,347,752.90, 388,221,427.49 and 258,010,987.14 is: 384,736,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,347,752.90 : 388,221,427.49 = 258,010,987.14 : x
  2. Step 2: Convert to fraction form
    260,347,752.90/388,221,427.49 = 258,010,987.14/x
  3. Step 3: Cross multiply
    260,347,752.90x = 388,221,427.49 × 258,010,987.14
  4. Step 4: Simplify right side
    260,347,752.90x = 100,165,393,734,304,768
  5. Step 5: Solve for x
    x = 100,165,393,734,304,768/260,347,752.90
  6. Step 6: Final answer
    x = 384,736,924.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.