Home / 21,282,166,312.08-31,923,280,192.31-8,691,024,758.64

Finding the Fourth Proportional to 21,282,166,312.08, 31,923,280,192.31 and 8,691,024,758.64

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Solution

The fourth proportional to 21,282,166,312.08, 31,923,280,192.31 and 8,691,024,758.64 is: 13,036,549,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,166,312.08 : 31,923,280,192.31 = 8,691,024,758.64 : x
  2. Step 2: Convert to fraction form
    21,282,166,312.08/31,923,280,192.31 = 8,691,024,758.64/x
  3. Step 3: Cross multiply
    21,282,166,312.08x = 31,923,280,192.31 × 8,691,024,758.64
  4. Step 4: Simplify right side
    21,282,166,312.08x = 277,446,018,528,324,648,960
  5. Step 5: Solve for x
    x = 277,446,018,528,324,648,960/21,282,166,312.08
  6. Step 6: Final answer
    x = 13,036,549,684.83

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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.