Home / 21,282,166,317.60-31,923,280,200.57-8,691,024,764.14

Finding the Fourth Proportional to 21,282,166,317.60, 31,923,280,200.57 and 8,691,024,764.14

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Solution

The fourth proportional to 21,282,166,317.60, 31,923,280,200.57 and 8,691,024,764.14 is: 13,036,549,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,166,317.60 : 31,923,280,200.57 = 8,691,024,764.14 : x
  2. Step 2: Convert to fraction form
    21,282,166,317.60/31,923,280,200.57 = 8,691,024,764.14/x
  3. Step 3: Cross multiply
    21,282,166,317.60x = 31,923,280,200.57 × 8,691,024,764.14
  4. Step 4: Simplify right side
    21,282,166,317.60x = 277,446,018,775,690,543,104
  5. Step 5: Solve for x
    x = 277,446,018,775,690,543,104/21,282,166,317.60
  6. Step 6: Final answer
    x = 13,036,549,693.08

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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.