Home / 402,495,359.38-555,445,476.93-228,664,641.94

Finding the Fourth Proportional to 402,495,359.38, 555,445,476.93 and 228,664,641.94

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Solution

The fourth proportional to 402,495,359.38, 555,445,476.93 and 228,664,641.94 is: 315,558,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,495,359.38 : 555,445,476.93 = 228,664,641.94 : x
  2. Step 2: Convert to fraction form
    402,495,359.38/555,445,476.93 = 228,664,641.94/x
  3. Step 3: Cross multiply
    402,495,359.38x = 555,445,476.93 × 228,664,641.94
  4. Step 4: Simplify right side
    402,495,359.38x = 127,010,741,099,390,960
  5. Step 5: Solve for x
    x = 127,010,741,099,390,960/402,495,359.38
  6. Step 6: Final answer
    x = 315,558,274.50

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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.