Home / 625,802,938.60-939,040,331.10-262,334,036.20

Finding the Fourth Proportional to 625,802,938.60, 939,040,331.10 and 262,334,036.20

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Solution

The fourth proportional to 625,802,938.60, 939,040,331.10 and 262,334,036.20 is: 393,641,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,802,938.60 : 939,040,331.10 = 262,334,036.20 : x
  2. Step 2: Convert to fraction form
    625,802,938.60/939,040,331.10 = 262,334,036.20/x
  3. Step 3: Cross multiply
    625,802,938.60x = 939,040,331.10 × 262,334,036.20
  4. Step 4: Simplify right side
    625,802,938.60x = 246,342,240,212,047,392
  5. Step 5: Solve for x
    x = 246,342,240,212,047,392/625,802,938.60
  6. Step 6: Final answer
    x = 393,641,871.93

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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.