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Finding the Fourth Proportional to 607,589,935, 838,608,998.02 and 369,384,503.90

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Solution

The fourth proportional to 607,589,935, 838,608,998.02 and 369,384,503.90 is: 509,832,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,589,935 : 838,608,998.02 = 369,384,503.90 : x
  2. Step 2: Convert to fraction form
    607,589,935/838,608,998.02 = 369,384,503.90/x
  3. Step 3: Cross multiply
    607,589,935x = 838,608,998.02 × 369,384,503.90
  4. Step 4: Simplify right side
    607,589,935x = 309,769,168,695,750,336
  5. Step 5: Solve for x
    x = 309,769,168,695,750,336/607,589,935
  6. Step 6: Final answer
    x = 509,832,620.41

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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.