Home / 340,348,468.75-469,674,507.61-208,179,756.35

Finding the Fourth Proportional to 340,348,468.75, 469,674,507.61 and 208,179,756.35

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Solution

The fourth proportional to 340,348,468.75, 469,674,507.61 and 208,179,756.35 is: 287,284,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,348,468.75 : 469,674,507.61 = 208,179,756.35 : x
  2. Step 2: Convert to fraction form
    340,348,468.75/469,674,507.61 = 208,179,756.35/x
  3. Step 3: Cross multiply
    340,348,468.75x = 469,674,507.61 × 208,179,756.35
  4. Step 4: Simplify right side
    340,348,468.75x = 97,776,724,557,727,616
  5. Step 5: Solve for x
    x = 97,776,724,557,727,616/340,348,468.75
  6. Step 6: Final answer
    x = 287,284,161.78

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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.