Home / 1,178,230,255.70-1,767,061,948.35-360,349,642.58

Finding the Fourth Proportional to 1,178,230,255.70, 1,767,061,948.35 and 360,349,642.58

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Solution

The fourth proportional to 1,178,230,255.70, 1,767,061,948.35 and 360,349,642.58 is: 540,437,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,230,255.70 : 1,767,061,948.35 = 360,349,642.58 : x
  2. Step 2: Convert to fraction form
    1,178,230,255.70/1,767,061,948.35 = 360,349,642.58/x
  3. Step 3: Cross multiply
    1,178,230,255.70x = 1,767,061,948.35 × 360,349,642.58
  4. Step 4: Simplify right side
    1,178,230,255.70x = 636,760,141,504,640,896
  5. Step 5: Solve for x
    x = 636,760,141,504,640,896/1,178,230,255.70
  6. Step 6: Final answer
    x = 540,437,778.12

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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.