Home / 487,156,929.55-730,735,394.33-228,876,603.55

Finding the Fourth Proportional to 487,156,929.55, 730,735,394.33 and 228,876,603.55

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Solution

The fourth proportional to 487,156,929.55, 730,735,394.33 and 228,876,603.55 is: 343,314,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,929.55 : 730,735,394.33 = 228,876,603.55 : x
  2. Step 2: Convert to fraction form
    487,156,929.55/730,735,394.33 = 228,876,603.55/x
  3. Step 3: Cross multiply
    487,156,929.55x = 730,735,394.33 × 228,876,603.55
  4. Step 4: Simplify right side
    487,156,929.55x = 167,248,235,148,020,352
  5. Step 5: Solve for x
    x = 167,248,235,148,020,352/487,156,929.55
  6. Step 6: Final answer
    x = 343,314,905.33

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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.