Home / 852,709,316.20-1,277,363,363.10-488,778,519.40

Finding the Fourth Proportional to 852,709,316.20, 1,277,363,363.10 and 488,778,519.40

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Solution

The fourth proportional to 852,709,316.20, 1,277,363,363.10 and 488,778,519.40 is: 732,192,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,709,316.20 : 1,277,363,363.10 = 488,778,519.40 : x
  2. Step 2: Convert to fraction form
    852,709,316.20/1,277,363,363.10 = 488,778,519.40/x
  3. Step 3: Cross multiply
    852,709,316.20x = 1,277,363,363.10 × 488,778,519.40
  4. Step 4: Simplify right side
    852,709,316.20x = 624,347,773,351,822,464
  5. Step 5: Solve for x
    x = 624,347,773,351,822,464/852,709,316.20
  6. Step 6: Final answer
    x = 732,192,977.71

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1.5x scale

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.