Home / 13,127,165,535.78-18,108,709,424.28-8,896,630,636.26

Finding the Fourth Proportional to 13,127,165,535.78, 18,108,709,424.28 and 8,896,630,636.26

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Solution

The fourth proportional to 13,127,165,535.78, 18,108,709,424.28 and 8,896,630,636.26 is: 12,272,755,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,165,535.78 : 18,108,709,424.28 = 8,896,630,636.26 : x
  2. Step 2: Convert to fraction form
    13,127,165,535.78/18,108,709,424.28 = 8,896,630,636.26/x
  3. Step 3: Cross multiply
    13,127,165,535.78x = 18,108,709,424.28 × 8,896,630,636.26
  4. Step 4: Simplify right side
    13,127,165,535.78x = 161,106,499,047,179,616,256
  5. Step 5: Solve for x
    x = 161,106,499,047,179,616,256/13,127,165,535.78
  6. Step 6: Final answer
    x = 12,272,755,958.48

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1.5x scale

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.