Home / 575,047,198.20-862,958,911.32-225,249,878.28

Finding the Fourth Proportional to 575,047,198.20, 862,958,911.32 and 225,249,878.28

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Solution

The fourth proportional to 575,047,198.20, 862,958,911.32 and 225,249,878.28 is: 338,026,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,047,198.20 : 862,958,911.32 = 225,249,878.28 : x
  2. Step 2: Convert to fraction form
    575,047,198.20/862,958,911.32 = 225,249,878.28/x
  3. Step 3: Cross multiply
    575,047,198.20x = 862,958,911.32 × 225,249,878.28
  4. Step 4: Simplify right side
    575,047,198.20x = 194,381,389,735,471,328
  5. Step 5: Solve for x
    x = 194,381,389,735,471,328/575,047,198.20
  6. Step 6: Final answer
    x = 338,026,844.31

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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.