Home / 654,681,324.80-982,021,987.20-170,007,132.80

Finding the Fourth Proportional to 654,681,324.80, 982,021,987.20 and 170,007,132.80

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Solution

The fourth proportional to 654,681,324.80, 982,021,987.20 and 170,007,132.80 is: 255,010,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,681,324.80 : 982,021,987.20 = 170,007,132.80 : x
  2. Step 2: Convert to fraction form
    654,681,324.80/982,021,987.20 = 170,007,132.80/x
  3. Step 3: Cross multiply
    654,681,324.80x = 982,021,987.20 × 170,007,132.80
  4. Step 4: Simplify right side
    654,681,324.80x = 166,950,742,390,430,304
  5. Step 5: Solve for x
    x = 166,950,742,390,430,304/654,681,324.80
  6. Step 6: Final answer
    x = 255,010,699.20

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Double scale
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Similar ratio
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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.