Home / 627,118,618.16-940,617,143.60-190,423,141.04

Finding the Fourth Proportional to 627,118,618.16, 940,617,143.60 and 190,423,141.04

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Solution

The fourth proportional to 627,118,618.16, 940,617,143.60 and 190,423,141.04 is: 285,616,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,118,618.16 : 940,617,143.60 = 190,423,141.04 : x
  2. Step 2: Convert to fraction form
    627,118,618.16/940,617,143.60 = 190,423,141.04/x
  3. Step 3: Cross multiply
    627,118,618.16x = 940,617,143.60 × 190,423,141.04
  4. Step 4: Simplify right side
    627,118,618.16x = 179,115,271,001,784,160
  5. Step 5: Solve for x
    x = 179,115,271,001,784,160/627,118,618.16
  6. Step 6: Final answer
    x = 285,616,254.75

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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.