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Finding the Fourth Proportional to 607,589,924.91, 838,608,984.06 and 369,384,493.74

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Solution

The fourth proportional to 607,589,924.91, 838,608,984.06 and 369,384,493.74 is: 509,832,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,589,924.91 : 838,608,984.06 = 369,384,493.74 : x
  2. Step 2: Convert to fraction form
    607,589,924.91/838,608,984.06 = 369,384,493.74/x
  3. Step 3: Cross multiply
    607,589,924.91x = 838,608,984.06 × 369,384,493.74
  4. Step 4: Simplify right side
    607,589,924.91x = 309,769,155,022,818,816
  5. Step 5: Solve for x
    x = 309,769,155,022,818,816/607,589,924.91
  6. Step 6: Final answer
    x = 509,832,606.37

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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.