Home / 13,315,244,010.70-19,970,368,981.42-6,681,091,878.76

Finding the Fourth Proportional to 13,315,244,010.70, 19,970,368,981.42 and 6,681,091,878.76

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Solution

The fourth proportional to 13,315,244,010.70, 19,970,368,981.42 and 6,681,091,878.76 is: 10,020,384,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,244,010.70 : 19,970,368,981.42 = 6,681,091,878.76 : x
  2. Step 2: Convert to fraction form
    13,315,244,010.70/19,970,368,981.42 = 6,681,091,878.76/x
  3. Step 3: Cross multiply
    13,315,244,010.70x = 19,970,368,981.42 × 6,681,091,878.76
  4. Step 4: Simplify right side
    13,315,244,010.70x = 133,423,870,017,605,763,072
  5. Step 5: Solve for x
    x = 133,423,870,017,605,763,072/13,315,244,010.70
  6. Step 6: Final answer
    x = 10,020,384,899.47

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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.