Home / 349,766,459.81-482,503,377.30-208,538,077.13

Finding the Fourth Proportional to 349,766,459.81, 482,503,377.30 and 208,538,077.13

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Solution

The fourth proportional to 349,766,459.81, 482,503,377.30 and 208,538,077.13 is: 287,678,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,766,459.81 : 482,503,377.30 = 208,538,077.13 : x
  2. Step 2: Convert to fraction form
    349,766,459.81/482,503,377.30 = 208,538,077.13/x
  3. Step 3: Cross multiply
    349,766,459.81x = 482,503,377.30 × 208,538,077.13
  4. Step 4: Simplify right side
    349,766,459.81x = 100,620,326,510,872,896
  5. Step 5: Solve for x
    x = 100,620,326,510,872,896/349,766,459.81
  6. Step 6: Final answer
    x = 287,678,602.93

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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.