Home / 385,896,430.40-532,583,066.40-220,936,988.48

Finding the Fourth Proportional to 385,896,430.40, 532,583,066.40 and 220,936,988.48

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Solution

The fourth proportional to 385,896,430.40, 532,583,066.40 and 220,936,988.48 is: 304,919,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,896,430.40 : 532,583,066.40 = 220,936,988.48 : x
  2. Step 2: Convert to fraction form
    385,896,430.40/532,583,066.40 = 220,936,988.48/x
  3. Step 3: Cross multiply
    385,896,430.40x = 532,583,066.40 × 220,936,988.48
  4. Step 4: Simplify right side
    385,896,430.40x = 117,667,298,805,859,872
  5. Step 5: Solve for x
    x = 117,667,298,805,859,872/385,896,430.40
  6. Step 6: Final answer
    x = 304,919,376.12

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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.