Home / 627,117,479.10-940,615,435.04-190,422,001.98

Finding the Fourth Proportional to 627,117,479.10, 940,615,435.04 and 190,422,001.98

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Solution

The fourth proportional to 627,117,479.10, 940,615,435.04 and 190,422,001.98 is: 285,614,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,479.10 : 940,615,435.04 = 190,422,001.98 : x
  2. Step 2: Convert to fraction form
    627,117,479.10/940,615,435.04 = 190,422,001.98/x
  3. Step 3: Cross multiply
    627,117,479.10x = 940,615,435.04 × 190,422,001.98
  4. Step 4: Simplify right side
    627,117,479.10x = 179,113,874,232,653,312
  5. Step 5: Solve for x
    x = 179,113,874,232,653,312/627,117,479.10
  6. Step 6: Final answer
    x = 285,614,546.24

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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.