Home / 7,970,921,980.81-11,951,757,263.17-3,773,839,561.18

Finding the Fourth Proportional to 7,970,921,980.81, 11,951,757,263.17 and 3,773,839,561.18

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Solution

The fourth proportional to 7,970,921,980.81, 11,951,757,263.17 and 3,773,839,561.18 is: 5,658,569,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970,921,980.81 : 11,951,757,263.17 = 3,773,839,561.18 : x
  2. Step 2: Convert to fraction form
    7,970,921,980.81/11,951,757,263.17 = 3,773,839,561.18/x
  3. Step 3: Cross multiply
    7,970,921,980.81x = 11,951,757,263.17 × 3,773,839,561.18
  4. Step 4: Simplify right side
    7,970,921,980.81x = 45,104,014,385,371,348,992
  5. Step 5: Solve for x
    x = 45,104,014,385,371,348,992/7,970,921,980.81
  6. Step 6: Final answer
    x = 5,658,569,296.50

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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.