Home / 13,255,756,934,935-18,290,291,497,647-7,401,963,495,216

Finding the Fourth Proportional to 13,255,756,934,935, 18,290,291,497,647 and 7,401,963,495,216

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Solution

The fourth proportional to 13,255,756,934,935, 18,290,291,497,647 and 7,401,963,495,216 is: 10,213,228,157,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,756,934,935 : 18,290,291,497,647 = 7,401,963,495,216 : x
  2. Step 2: Convert to fraction form
    13,255,756,934,935/18,290,291,497,647 = 7,401,963,495,216/x
  3. Step 3: Cross multiply
    13,255,756,934,935x = 18,290,291,497,647 × 7,401,963,495,216
  4. Step 4: Simplify right side
    13,255,756,934,935x = 135,384,069,982,442,682,172,047,360
  5. Step 5: Solve for x
    x = 135,384,069,982,442,682,172,047,360/13,255,756,934,935
  6. Step 6: Final answer
    x = 10,213,228,157,921.60

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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.