Home / 645,302,260,649.49-890,595,207,856.55-367,272,423,012.27

Finding the Fourth Proportional to 645,302,260,649.49, 890,595,207,856.55 and 367,272,423,012.27

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Solution

The fourth proportional to 645,302,260,649.49, 890,595,207,856.55 and 367,272,423,012.27 is: 506,880,387,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,260,649.49 : 890,595,207,856.55 = 367,272,423,012.27 : x
  2. Step 2: Convert to fraction form
    645,302,260,649.49/890,595,207,856.55 = 367,272,423,012.27/x
  3. Step 3: Cross multiply
    645,302,260,649.49x = 890,595,207,856.55 × 367,272,423,012.27
  4. Step 4: Simplify right side
    645,302,260,649.49x = 327,091,059,912,591,418,589,184
  5. Step 5: Solve for x
    x = 327,091,059,912,591,418,589,184/645,302,260,649.49
  6. Step 6: Final answer
    x = 506,880,387,468.93

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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.