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Finding the Fourth Proportional to 268,846,374.60, 402,552,116.40 and 268,846,374.60

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Solution

The fourth proportional to 268,846,374.60, 402,552,116.40 and 268,846,374.60 is: 402,552,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,846,374.60 : 402,552,116.40 = 268,846,374.60 : x
  2. Step 2: Convert to fraction form
    268,846,374.60/402,552,116.40 = 268,846,374.60/x
  3. Step 3: Cross multiply
    268,846,374.60x = 402,552,116.40 × 268,846,374.60
  4. Step 4: Simplify right side
    268,846,374.60x = 108,224,677,081,697,200
  5. Step 5: Solve for x
    x = 108,224,677,081,697,200/268,846,374.60
  6. Step 6: Final answer
    x = 402,552,116.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.