Home / 724,110,712.60-1,086,166,068.90-178,852,246.60

Finding the Fourth Proportional to 724,110,712.60, 1,086,166,068.90 and 178,852,246.60

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Solution

The fourth proportional to 724,110,712.60, 1,086,166,068.90 and 178,852,246.60 is: 268,278,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,110,712.60 : 1,086,166,068.90 = 178,852,246.60 : x
  2. Step 2: Convert to fraction form
    724,110,712.60/1,086,166,068.90 = 178,852,246.60/x
  3. Step 3: Cross multiply
    724,110,712.60x = 1,086,166,068.90 × 178,852,246.60
  4. Step 4: Simplify right side
    724,110,712.60x = 194,263,241,603,455,392
  5. Step 5: Solve for x
    x = 194,263,241,603,455,392/724,110,712.60
  6. Step 6: Final answer
    x = 268,278,369.90

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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.