Home / 1,536,807,786.67-2,120,795,455.17-831,959,768.11

Finding the Fourth Proportional to 1,536,807,786.67, 2,120,795,455.17 and 831,959,768.11

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Solution

The fourth proportional to 1,536,807,786.67, 2,120,795,455.17 and 831,959,768.11 is: 1,148,104,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,807,786.67 : 2,120,795,455.17 = 831,959,768.11 : x
  2. Step 2: Convert to fraction form
    1,536,807,786.67/2,120,795,455.17 = 831,959,768.11/x
  3. Step 3: Cross multiply
    1,536,807,786.67x = 2,120,795,455.17 × 831,959,768.11
  4. Step 4: Simplify right side
    1,536,807,786.67x = 1,764,416,495,091,975,168
  5. Step 5: Solve for x
    x = 1,764,416,495,091,975,168/1,536,807,786.67
  6. Step 6: Final answer
    x = 1,148,104,864.12

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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.