Home / 565,622,104.05-780,467,272.97-318,088,696.05

Finding the Fourth Proportional to 565,622,104.05, 780,467,272.97 and 318,088,696.05

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Solution

The fourth proportional to 565,622,104.05, 780,467,272.97 and 318,088,696.05 is: 438,911,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,622,104.05 : 780,467,272.97 = 318,088,696.05 : x
  2. Step 2: Convert to fraction form
    565,622,104.05/780,467,272.97 = 318,088,696.05/x
  3. Step 3: Cross multiply
    565,622,104.05x = 780,467,272.97 × 318,088,696.05
  4. Step 4: Simplify right side
    565,622,104.05x = 248,257,817,167,136,288
  5. Step 5: Solve for x
    x = 248,257,817,167,136,288/565,622,104.05
  6. Step 6: Final answer
    x = 438,911,095.22

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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.