Home / 587,087,641.12-810,181,463.88-322,774,130.56

Finding the Fourth Proportional to 587,087,641.12, 810,181,463.88 and 322,774,130.56

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Solution

The fourth proportional to 587,087,641.12, 810,181,463.88 and 322,774,130.56 is: 445,428,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,087,641.12 : 810,181,463.88 = 322,774,130.56 : x
  2. Step 2: Convert to fraction form
    587,087,641.12/810,181,463.88 = 322,774,130.56/x
  3. Step 3: Cross multiply
    587,087,641.12x = 810,181,463.88 × 322,774,130.56
  4. Step 4: Simplify right side
    587,087,641.12x = 261,505,617,599,695,040
  5. Step 5: Solve for x
    x = 261,505,617,599,695,040/587,087,641.12
  6. Step 6: Final answer
    x = 445,428,585.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.