Home / 673,988,987.20-1,010,983,480.80-382,743,572.80

Finding the Fourth Proportional to 673,988,987.20, 1,010,983,480.80 and 382,743,572.80

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Solution

The fourth proportional to 673,988,987.20, 1,010,983,480.80 and 382,743,572.80 is: 574,115,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,988,987.20 : 1,010,983,480.80 = 382,743,572.80 : x
  2. Step 2: Convert to fraction form
    673,988,987.20/1,010,983,480.80 = 382,743,572.80/x
  3. Step 3: Cross multiply
    673,988,987.20x = 1,010,983,480.80 × 382,743,572.80
  4. Step 4: Simplify right side
    673,988,987.20x = 386,947,429,483,172,224
  5. Step 5: Solve for x
    x = 386,947,429,483,172,224/673,988,987.20
  6. Step 6: Final answer
    x = 574,115,359.20

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Double scale
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1.5x scale

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.