Home / 898,476,488.54-1,239,961,714.97-496,581,591.54

Finding the Fourth Proportional to 898,476,488.54, 1,239,961,714.97 and 496,581,591.54

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Solution

The fourth proportional to 898,476,488.54, 1,239,961,714.97 and 496,581,591.54 is: 685,318,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,476,488.54 : 1,239,961,714.97 = 496,581,591.54 : x
  2. Step 2: Convert to fraction form
    898,476,488.54/1,239,961,714.97 = 496,581,591.54/x
  3. Step 3: Cross multiply
    898,476,488.54x = 1,239,961,714.97 × 496,581,591.54
  4. Step 4: Simplify right side
    898,476,488.54x = 615,742,161,873,418,240
  5. Step 5: Solve for x
    x = 615,742,161,873,418,240/898,476,488.54
  6. Step 6: Final answer
    x = 685,318,057.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.