Home / 1,178,269,586.32-1,767,585,982.83-401,733,643.68

Finding the Fourth Proportional to 1,178,269,586.32, 1,767,585,982.83 and 401,733,643.68

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Solution

The fourth proportional to 1,178,269,586.32, 1,767,585,982.83 and 401,733,643.68 is: 602,662,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,269,586.32 : 1,767,585,982.83 = 401,733,643.68 : x
  2. Step 2: Convert to fraction form
    1,178,269,586.32/1,767,585,982.83 = 401,733,643.68/x
  3. Step 3: Cross multiply
    1,178,269,586.32x = 1,767,585,982.83 × 401,733,643.68
  4. Step 4: Simplify right side
    1,178,269,586.32x = 710,098,757,391,227,392
  5. Step 5: Solve for x
    x = 710,098,757,391,227,392/1,178,269,586.32
  6. Step 6: Final answer
    x = 602,662,383.58

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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.