Home / 1,178,224,051.78-1,767,594,728.49-349,241,636.17

Finding the Fourth Proportional to 1,178,224,051.78, 1,767,594,728.49 and 349,241,636.17

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Solution

The fourth proportional to 1,178,224,051.78, 1,767,594,728.49 and 349,241,636.17 is: 523,939,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,224,051.78 : 1,767,594,728.49 = 349,241,636.17 : x
  2. Step 2: Convert to fraction form
    1,178,224,051.78/1,767,594,728.49 = 349,241,636.17/x
  3. Step 3: Cross multiply
    1,178,224,051.78x = 1,767,594,728.49 × 349,241,636.17
  4. Step 4: Simplify right side
    1,178,224,051.78x = 617,317,675,063,314,560
  5. Step 5: Solve for x
    x = 617,317,675,063,314,560/1,178,224,051.78
  6. Step 6: Final answer
    x = 523,939,121.88

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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.