Home / 1,354,752,010.80-2,032,128,016.20-492,997,028.40

Finding the Fourth Proportional to 1,354,752,010.80, 2,032,128,016.20 and 492,997,028.40

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Solution

The fourth proportional to 1,354,752,010.80, 2,032,128,016.20 and 492,997,028.40 is: 739,495,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,752,010.80 : 2,032,128,016.20 = 492,997,028.40 : x
  2. Step 2: Convert to fraction form
    1,354,752,010.80/2,032,128,016.20 = 492,997,028.40/x
  3. Step 3: Cross multiply
    1,354,752,010.80x = 2,032,128,016.20 × 492,997,028.40
  4. Step 4: Simplify right side
    1,354,752,010.80x = 1,001,833,073,314,987,008
  5. Step 5: Solve for x
    x = 1,001,833,073,314,987,008/1,354,752,010.80
  6. Step 6: Final answer
    x = 739,495,542.60

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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.