Home / 1,422,278,184,870.10-1,962,745,347,728.60-771,956,902,569.56

Finding the Fourth Proportional to 1,422,278,184,870.10, 1,962,745,347,728.60 and 771,956,902,569.56

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Solution

The fourth proportional to 1,422,278,184,870.10, 1,962,745,347,728.60 and 771,956,902,569.56 is: 1,065,301,313,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,870.10 : 1,962,745,347,728.60 = 771,956,902,569.56 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,870.10/1,962,745,347,728.60 = 771,956,902,569.56/x
  3. Step 3: Cross multiply
    1,422,278,184,870.10x = 1,962,745,347,728.60 × 771,956,902,569.56
  4. Step 4: Simplify right side
    1,422,278,184,870.10x = 1,515,154,819,165,384,324,677,632
  5. Step 5: Solve for x
    x = 1,515,154,819,165,384,324,677,632/1,422,278,184,870.10
  6. Step 6: Final answer
    x = 1,065,301,313,964.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.