Home / 526,084,809.60-789,127,214.40-143,132,361.60

Finding the Fourth Proportional to 526,084,809.60, 789,127,214.40 and 143,132,361.60

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Solution

The fourth proportional to 526,084,809.60, 789,127,214.40 and 143,132,361.60 is: 214,698,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,084,809.60 : 789,127,214.40 = 143,132,361.60 : x
  2. Step 2: Convert to fraction form
    526,084,809.60/789,127,214.40 = 143,132,361.60/x
  3. Step 3: Cross multiply
    526,084,809.60x = 789,127,214.40 × 143,132,361.60
  4. Step 4: Simplify right side
    526,084,809.60x = 112,949,641,799,901,520
  5. Step 5: Solve for x
    x = 112,949,641,799,901,520/526,084,809.60
  6. Step 6: Final answer
    x = 214,698,542.40

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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.