Home / 509,292,178.58-763,861,516.32-326,338,148.18

Finding the Fourth Proportional to 509,292,178.58, 763,861,516.32 and 326,338,148.18

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Solution

The fourth proportional to 509,292,178.58, 763,861,516.32 and 326,338,148.18 is: 489,458,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,292,178.58 : 763,861,516.32 = 326,338,148.18 : x
  2. Step 2: Convert to fraction form
    509,292,178.58/763,861,516.32 = 326,338,148.18/x
  3. Step 3: Cross multiply
    509,292,178.58x = 763,861,516.32 × 326,338,148.18
  4. Step 4: Simplify right side
    509,292,178.58x = 249,277,152,701,835,680
  5. Step 5: Solve for x
    x = 249,277,152,701,835,680/509,292,178.58
  6. Step 6: Final answer
    x = 489,458,042.33

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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.