Home / 507,338,207.60-700,083,965.40-281,283,223.28

Finding the Fourth Proportional to 507,338,207.60, 700,083,965.40 and 281,283,223.28

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Solution

The fourth proportional to 507,338,207.60, 700,083,965.40 and 281,283,223.28 is: 388,147,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,338,207.60 : 700,083,965.40 = 281,283,223.28 : x
  2. Step 2: Convert to fraction form
    507,338,207.60/700,083,965.40 = 281,283,223.28/x
  3. Step 3: Cross multiply
    507,338,207.60x = 700,083,965.40 × 281,283,223.28
  4. Step 4: Simplify right side
    507,338,207.60x = 196,921,874,354,355,968
  5. Step 5: Solve for x
    x = 196,921,874,354,355,968/507,338,207.60
  6. Step 6: Final answer
    x = 388,147,140.12

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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.