Home / 982,001,778.85-1,473,196,713.45-360,222,784.07

Finding the Fourth Proportional to 982,001,778.85, 1,473,196,713.45 and 360,222,784.07

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Solution

The fourth proportional to 982,001,778.85, 1,473,196,713.45 and 360,222,784.07 is: 540,405,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,001,778.85 : 1,473,196,713.45 = 360,222,784.07 : x
  2. Step 2: Convert to fraction form
    982,001,778.85/1,473,196,713.45 = 360,222,784.07/x
  3. Step 3: Cross multiply
    982,001,778.85x = 1,473,196,713.45 × 360,222,784.07
  4. Step 4: Simplify right side
    982,001,778.85x = 530,679,021,592,998,144
  5. Step 5: Solve for x
    x = 530,679,021,592,998,144/982,001,778.85
  6. Step 6: Final answer
    x = 540,405,356.71

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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.