Home / 13,255,756,934,934-18,290,291,497,646-7,401,963,495,215

Finding the Fourth Proportional to 13,255,756,934,934, 18,290,291,497,646 and 7,401,963,495,215

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Solution

The fourth proportional to 13,255,756,934,934, 18,290,291,497,646 and 7,401,963,495,215 is: 10,213,228,157,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,756,934,934 : 18,290,291,497,646 = 7,401,963,495,215 : x
  2. Step 2: Convert to fraction form
    13,255,756,934,934/18,290,291,497,646 = 7,401,963,495,215/x
  3. Step 3: Cross multiply
    13,255,756,934,934x = 18,290,291,497,646 × 7,401,963,495,215
  4. Step 4: Simplify right side
    13,255,756,934,934x = 135,384,069,982,416,981,087,748,096
  5. Step 5: Solve for x
    x = 135,384,069,982,416,981,087,748,096/13,255,756,934,934
  6. Step 6: Final answer
    x = 10,213,228,157,920.43

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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.