Home / 526,567,957.40-789,851,936.10-268,287,631.40

Finding the Fourth Proportional to 526,567,957.40, 789,851,936.10 and 268,287,631.40

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Solution

The fourth proportional to 526,567,957.40, 789,851,936.10 and 268,287,631.40 is: 402,431,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,567,957.40 : 789,851,936.10 = 268,287,631.40 : x
  2. Step 2: Convert to fraction form
    526,567,957.40/789,851,936.10 = 268,287,631.40/x
  3. Step 3: Cross multiply
    526,567,957.40x = 789,851,936.10 × 268,287,631.40
  4. Step 4: Simplify right side
    526,567,957.40x = 211,907,505,092,973,152
  5. Step 5: Solve for x
    x = 211,907,505,092,973,152/526,567,957.40
  6. Step 6: Final answer
    x = 402,431,447.10

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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.