Home / 438,780,886.26-657,979,986.87-165,960,334.50

Finding the Fourth Proportional to 438,780,886.26, 657,979,986.87 and 165,960,334.50

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Solution

The fourth proportional to 438,780,886.26, 657,979,986.87 and 165,960,334.50 is: 248,868,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,780,886.26 : 657,979,986.87 = 165,960,334.50 : x
  2. Step 2: Convert to fraction form
    438,780,886.26/657,979,986.87 = 165,960,334.50/x
  3. Step 3: Cross multiply
    438,780,886.26x = 657,979,986.87 × 165,960,334.50
  4. Step 4: Simplify right side
    438,780,886.26x = 109,198,578,715,250,816
  5. Step 5: Solve for x
    x = 109,198,578,715,250,816/438,780,886.26
  6. Step 6: Final answer
    x = 248,868,130.16

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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.