Home / 18,911,232,000.30-28,366,848,000.45-8,591,671,296.30

Finding the Fourth Proportional to 18,911,232,000.30, 28,366,848,000.45 and 8,591,671,296.30

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Solution

The fourth proportional to 18,911,232,000.30, 28,366,848,000.45 and 8,591,671,296.30 is: 12,887,506,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,232,000.30 : 28,366,848,000.45 = 8,591,671,296.30 : x
  2. Step 2: Convert to fraction form
    18,911,232,000.30/28,366,848,000.45 = 8,591,671,296.30/x
  3. Step 3: Cross multiply
    18,911,232,000.30x = 28,366,848,000.45 × 8,591,671,296.30
  4. Step 4: Simplify right side
    18,911,232,000.30x = 243,718,633,731,971,284,992
  5. Step 5: Solve for x
    x = 243,718,633,731,971,284,992/18,911,232,000.30
  6. Step 6: Final answer
    x = 12,887,506,944.45

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1.5x scale

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.