Home / 617,855,512.10-926,783,268.15-326,610,097.70

Finding the Fourth Proportional to 617,855,512.10, 926,783,268.15 and 326,610,097.70

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Solution

The fourth proportional to 617,855,512.10, 926,783,268.15 and 326,610,097.70 is: 489,915,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,855,512.10 : 926,783,268.15 = 326,610,097.70 : x
  2. Step 2: Convert to fraction form
    617,855,512.10/926,783,268.15 = 326,610,097.70/x
  3. Step 3: Cross multiply
    617,855,512.10x = 926,783,268.15 × 326,610,097.70
  4. Step 4: Simplify right side
    617,855,512.10x = 302,696,773,757,196,800
  5. Step 5: Solve for x
    x = 302,696,773,757,196,800/617,855,512.10
  6. Step 6: Final answer
    x = 489,915,146.55

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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.