Home / 705,053,421.70-1,057,580,132.55-220,378,452.10

Finding the Fourth Proportional to 705,053,421.70, 1,057,580,132.55 and 220,378,452.10

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Solution

The fourth proportional to 705,053,421.70, 1,057,580,132.55 and 220,378,452.10 is: 330,567,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,053,421.70 : 1,057,580,132.55 = 220,378,452.10 : x
  2. Step 2: Convert to fraction form
    705,053,421.70/1,057,580,132.55 = 220,378,452.10/x
  3. Step 3: Cross multiply
    705,053,421.70x = 1,057,580,132.55 × 220,378,452.10
  4. Step 4: Simplify right side
    705,053,421.70x = 233,067,872,583,081,824
  5. Step 5: Solve for x
    x = 233,067,872,583,081,824/705,053,421.70
  6. Step 6: Final answer
    x = 330,567,678.15

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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.