Home / 666,661,893.23-1,000,015,518.69-316,727,362.91

Finding the Fourth Proportional to 666,661,893.23, 1,000,015,518.69 and 316,727,362.91

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Solution

The fourth proportional to 666,661,893.23, 1,000,015,518.69 and 316,727,362.91 is: 475,101,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,661,893.23 : 1,000,015,518.69 = 316,727,362.91 : x
  2. Step 2: Convert to fraction form
    666,661,893.23/1,000,015,518.69 = 316,727,362.91/x
  3. Step 3: Cross multiply
    666,661,893.23x = 1,000,015,518.69 × 316,727,362.91
  4. Step 4: Simplify right side
    666,661,893.23x = 316,732,278,098,759,424
  5. Step 5: Solve for x
    x = 316,732,278,098,759,424/666,661,893.23
  6. Step 6: Final answer
    x = 475,101,818.95

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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.