Home / 18,911,232,004.80-28,366,848,007.20-8,591,671,300.80

Finding the Fourth Proportional to 18,911,232,004.80, 28,366,848,007.20 and 8,591,671,300.80

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Solution

The fourth proportional to 18,911,232,004.80, 28,366,848,007.20 and 8,591,671,300.80 is: 12,887,506,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,232,004.80 : 28,366,848,007.20 = 8,591,671,300.80 : x
  2. Step 2: Convert to fraction form
    18,911,232,004.80/28,366,848,007.20 = 8,591,671,300.80/x
  3. Step 3: Cross multiply
    18,911,232,004.80x = 28,366,848,007.20 × 8,591,671,300.80
  4. Step 4: Simplify right side
    18,911,232,004.80x = 243,718,633,917,615,898,624
  5. Step 5: Solve for x
    x = 243,718,633,917,615,898,624/18,911,232,004.80
  6. Step 6: Final answer
    x = 12,887,506,951.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.