Home / 13,255,756,934,938-18,290,291,497,654-7,401,963,495,218.40

Finding the Fourth Proportional to 13,255,756,934,938, 18,290,291,497,654 and 7,401,963,495,218.40

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Solution

The fourth proportional to 13,255,756,934,938, 18,290,291,497,654 and 7,401,963,495,218.40 is: 10,213,228,157,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,756,934,938 : 18,290,291,497,654 = 7,401,963,495,218.40 : x
  2. Step 2: Convert to fraction form
    13,255,756,934,938/18,290,291,497,654 = 7,401,963,495,218.40/x
  3. Step 3: Cross multiply
    13,255,756,934,938x = 18,290,291,497,654 × 7,401,963,495,218.40
  4. Step 4: Simplify right side
    13,255,756,934,938x = 135,384,069,982,538,391,223,271,424
  5. Step 5: Solve for x
    x = 135,384,069,982,538,391,223,271,424/13,255,756,934,938
  6. Step 6: Final answer
    x = 10,213,228,157,926.51

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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.