Home / 1,149,670,388.59-1,724,480,683.89-320,601,909.06

Finding the Fourth Proportional to 1,149,670,388.59, 1,724,480,683.89 and 320,601,909.06

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Solution

The fourth proportional to 1,149,670,388.59, 1,724,480,683.89 and 320,601,909.06 is: 480,895,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,670,388.59 : 1,724,480,683.89 = 320,601,909.06 : x
  2. Step 2: Convert to fraction form
    1,149,670,388.59/1,724,480,683.89 = 320,601,909.06/x
  3. Step 3: Cross multiply
    1,149,670,388.59x = 1,724,480,683.89 × 320,601,909.06
  4. Step 4: Simplify right side
    1,149,670,388.59x = 552,871,799,391,042,176
  5. Step 5: Solve for x
    x = 552,871,799,391,042,176/1,149,670,388.59
  6. Step 6: Final answer
    x = 480,895,920.15

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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.