Home / 575,047,198.70-862,958,912.07-225,249,878.78

Finding the Fourth Proportional to 575,047,198.70, 862,958,912.07 and 225,249,878.78

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Solution

The fourth proportional to 575,047,198.70, 862,958,912.07 and 225,249,878.78 is: 338,026,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,047,198.70 : 862,958,912.07 = 225,249,878.78 : x
  2. Step 2: Convert to fraction form
    575,047,198.70/862,958,912.07 = 225,249,878.78/x
  3. Step 3: Cross multiply
    575,047,198.70x = 862,958,912.07 × 225,249,878.78
  4. Step 4: Simplify right side
    575,047,198.70x = 194,381,390,335,888,192
  5. Step 5: Solve for x
    x = 194,381,390,335,888,192/575,047,198.70
  6. Step 6: Final answer
    x = 338,026,845.06

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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.