Home / 782,973,494.10-1,173,726,458.82-265,041,505.62

Finding the Fourth Proportional to 782,973,494.10, 1,173,726,458.82 and 265,041,505.62

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Solution

The fourth proportional to 782,973,494.10, 1,173,726,458.82 and 265,041,505.62 is: 397,313,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,973,494.10 : 1,173,726,458.82 = 265,041,505.62 : x
  2. Step 2: Convert to fraction form
    782,973,494.10/1,173,726,458.82 = 265,041,505.62/x
  3. Step 3: Cross multiply
    782,973,494.10x = 1,173,726,458.82 × 265,041,505.62
  4. Step 4: Simplify right side
    782,973,494.10x = 311,086,227,831,683,712
  5. Step 5: Solve for x
    x = 311,086,227,831,683,712/782,973,494.10
  6. Step 6: Final answer
    x = 397,313,868.45

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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.