Home / 874,455,828.60-1,311,494,786.10-383,168,148.60

Finding the Fourth Proportional to 874,455,828.60, 1,311,494,786.10 and 383,168,148.60

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Solution

The fourth proportional to 874,455,828.60, 1,311,494,786.10 and 383,168,148.60 is: 574,669,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,455,828.60 : 1,311,494,786.10 = 383,168,148.60 : x
  2. Step 2: Convert to fraction form
    874,455,828.60/1,311,494,786.10 = 383,168,148.60/x
  3. Step 3: Cross multiply
    874,455,828.60x = 1,311,494,786.10 × 383,168,148.60
  4. Step 4: Simplify right side
    874,455,828.60x = 502,523,029,088,489,984
  5. Step 5: Solve for x
    x = 502,523,029,088,489,984/874,455,828.60
  6. Step 6: Final answer
    x = 574,669,426.01

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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.