Home / 13,315,244,002.05-19,970,368,968.49-6,681,091,870.11

Finding the Fourth Proportional to 13,315,244,002.05, 19,970,368,968.49 and 6,681,091,870.11

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Solution

The fourth proportional to 13,315,244,002.05, 19,970,368,968.49 and 6,681,091,870.11 is: 10,020,384,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,244,002.05 : 19,970,368,968.49 = 6,681,091,870.11 : x
  2. Step 2: Convert to fraction form
    13,315,244,002.05/19,970,368,968.49 = 6,681,091,870.11/x
  3. Step 3: Cross multiply
    13,315,244,002.05x = 19,970,368,968.49 × 6,681,091,870.11
  4. Step 4: Simplify right side
    13,315,244,002.05x = 133,423,869,758,475,567,104
  5. Step 5: Solve for x
    x = 133,423,869,758,475,567,104/13,315,244,002.05
  6. Step 6: Final answer
    x = 10,020,384,886.52

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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.