Home / 608,214,015.21-839,353,047.32-343,890,333.15

Finding the Fourth Proportional to 608,214,015.21, 839,353,047.32 and 343,890,333.15

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Solution

The fourth proportional to 608,214,015.21, 839,353,047.32 and 343,890,333.15 is: 474,578,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,214,015.21 : 839,353,047.32 = 343,890,333.15 : x
  2. Step 2: Convert to fraction form
    608,214,015.21/839,353,047.32 = 343,890,333.15/x
  3. Step 3: Cross multiply
    608,214,015.21x = 839,353,047.32 × 343,890,333.15
  4. Step 4: Simplify right side
    608,214,015.21x = 288,645,399,068,271,424
  5. Step 5: Solve for x
    x = 288,645,399,068,271,424/608,214,015.21
  6. Step 6: Final answer
    x = 474,578,671.08

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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.