Home / 16,782,168,686.52-23,159,940,931.82-9,161,620,921.10

Finding the Fourth Proportional to 16,782,168,686.52, 23,159,940,931.82 and 9,161,620,921.10

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Solution

The fourth proportional to 16,782,168,686.52, 23,159,940,931.82 and 9,161,620,921.10 is: 12,643,336,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782,168,686.52 : 23,159,940,931.82 = 9,161,620,921.10 : x
  2. Step 2: Convert to fraction form
    16,782,168,686.52/23,159,940,931.82 = 9,161,620,921.10/x
  3. Step 3: Cross multiply
    16,782,168,686.52x = 23,159,940,931.82 × 9,161,620,921.10
  4. Step 4: Simplify right side
    16,782,168,686.52x = 212,182,599,372,402,360,320
  5. Step 5: Solve for x
    x = 212,182,599,372,402,360,320/16,782,168,686.52
  6. Step 6: Final answer
    x = 12,643,336,110.84

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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.