Home / 319,117,097.16-477,693,876.87-208,213,965.36

Finding the Fourth Proportional to 319,117,097.16, 477,693,876.87 and 208,213,965.36

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Solution

The fourth proportional to 319,117,097.16, 477,693,876.87 and 208,213,965.36 is: 311,680,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,117,097.16 : 477,693,876.87 = 208,213,965.36 : x
  2. Step 2: Convert to fraction form
    319,117,097.16/477,693,876.87 = 208,213,965.36/x
  3. Step 3: Cross multiply
    319,117,097.16x = 477,693,876.87 × 208,213,965.36
  4. Step 4: Simplify right side
    319,117,097.16x = 99,462,536,331,294,288
  5. Step 5: Solve for x
    x = 99,462,536,331,294,288/319,117,097.16
  6. Step 6: Final answer
    x = 311,680,374.43

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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.