Home / 565,321,301.74-780,738,161.16-503,696,584.36

Finding the Fourth Proportional to 565,321,301.74, 780,738,161.16 and 503,696,584.36

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Solution

The fourth proportional to 565,321,301.74, 780,738,161.16 and 503,696,584.36 is: 695,631,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,321,301.74 : 780,738,161.16 = 503,696,584.36 : x
  2. Step 2: Convert to fraction form
    565,321,301.74/780,738,161.16 = 503,696,584.36/x
  3. Step 3: Cross multiply
    565,321,301.74x = 780,738,161.16 × 503,696,584.36
  4. Step 4: Simplify right side
    565,321,301.74x = 393,255,145,055,799,232
  5. Step 5: Solve for x
    x = 393,255,145,055,799,232/565,321,301.74
  6. Step 6: Final answer
    x = 695,631,216.88

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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.