Home / 565,349,727.72-780,171,435.75-314,448,722.45

Finding the Fourth Proportional to 565,349,727.72, 780,171,435.75 and 314,448,722.45

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Solution

The fourth proportional to 565,349,727.72, 780,171,435.75 and 314,448,722.45 is: 433,933,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,349,727.72 : 780,171,435.75 = 314,448,722.45 : x
  2. Step 2: Convert to fraction form
    565,349,727.72/780,171,435.75 = 314,448,722.45/x
  3. Step 3: Cross multiply
    565,349,727.72x = 780,171,435.75 × 314,448,722.45
  4. Step 4: Simplify right side
    565,349,727.72x = 245,323,911,263,569,760
  5. Step 5: Solve for x
    x = 245,323,911,263,569,760/565,349,727.72
  6. Step 6: Final answer
    x = 433,933,013.91

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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.