Home / 565,349,726.72-780,171,434.37-314,448,721.45

Finding the Fourth Proportional to 565,349,726.72, 780,171,434.37 and 314,448,721.45

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Solution

The fourth proportional to 565,349,726.72, 780,171,434.37 and 314,448,721.45 is: 433,933,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,349,726.72 : 780,171,434.37 = 314,448,721.45 : x
  2. Step 2: Convert to fraction form
    565,349,726.72/780,171,434.37 = 314,448,721.45/x
  3. Step 3: Cross multiply
    565,349,726.72x = 780,171,434.37 × 314,448,721.45
  4. Step 4: Simplify right side
    565,349,726.72x = 245,323,910,047,508,640
  5. Step 5: Solve for x
    x = 245,323,910,047,508,640/565,349,726.72
  6. Step 6: Final answer
    x = 433,933,012.53

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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.