Home / 639,151,198.72-882,637,816.70-604,330,684.04

Finding the Fourth Proportional to 639,151,198.72, 882,637,816.70 and 604,330,684.04

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Solution

The fourth proportional to 639,151,198.72, 882,637,816.70 and 604,330,684.04 is: 834,552,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,151,198.72 : 882,637,816.70 = 604,330,684.04 : x
  2. Step 2: Convert to fraction form
    639,151,198.72/882,637,816.70 = 604,330,684.04/x
  3. Step 3: Cross multiply
    639,151,198.72x = 882,637,816.70 × 604,330,684.04
  4. Step 4: Simplify right side
    639,151,198.72x = 533,405,115,525,883,136
  5. Step 5: Solve for x
    x = 533,405,115,525,883,136/639,151,198.72
  6. Step 6: Final answer
    x = 834,552,319.69

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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.