Home / 511,560,010.40-767,340,015.60-188,569,853.60

Finding the Fourth Proportional to 511,560,010.40, 767,340,015.60 and 188,569,853.60

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Solution

The fourth proportional to 511,560,010.40, 767,340,015.60 and 188,569,853.60 is: 282,854,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,560,010.40 : 767,340,015.60 = 188,569,853.60 : x
  2. Step 2: Convert to fraction form
    511,560,010.40/767,340,015.60 = 188,569,853.60/x
  3. Step 3: Cross multiply
    511,560,010.40x = 767,340,015.60 × 188,569,853.60
  4. Step 4: Simplify right side
    511,560,010.40x = 144,697,194,403,113,728
  5. Step 5: Solve for x
    x = 144,697,194,403,113,728/511,560,010.40
  6. Step 6: Final answer
    x = 282,854,780.40

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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.