Home / 645,302,260,651.49-890,595,207,859.31-367,272,423,014.27

Finding the Fourth Proportional to 645,302,260,651.49, 890,595,207,859.31 and 367,272,423,014.27

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Solution

The fourth proportional to 645,302,260,651.49, 890,595,207,859.31 and 367,272,423,014.27 is: 506,880,387,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,260,651.49 : 890,595,207,859.31 = 367,272,423,014.27 : x
  2. Step 2: Convert to fraction form
    645,302,260,651.49/890,595,207,859.31 = 367,272,423,014.27/x
  3. Step 3: Cross multiply
    645,302,260,651.49x = 890,595,207,859.31 × 367,272,423,014.27
  4. Step 4: Simplify right side
    645,302,260,651.49x = 327,091,059,915,386,234,339,328
  5. Step 5: Solve for x
    x = 327,091,059,915,386,234,339,328/645,302,260,651.49
  6. Step 6: Final answer
    x = 506,880,387,471.69

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Double scale
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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.