Home / 287,875,701.60-430,963,246.80-190,940,863.20

Finding the Fourth Proportional to 287,875,701.60, 430,963,246.80 and 190,940,863.20

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Solution

The fourth proportional to 287,875,701.60, 430,963,246.80 and 190,940,863.20 is: 285,847,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,875,701.60 : 430,963,246.80 = 190,940,863.20 : x
  2. Step 2: Convert to fraction form
    287,875,701.60/430,963,246.80 = 190,940,863.20/x
  3. Step 3: Cross multiply
    287,875,701.60x = 430,963,246.80 × 190,940,863.20
  4. Step 4: Simplify right side
    287,875,701.60x = 82,288,494,351,466,640
  5. Step 5: Solve for x
    x = 82,288,494,351,466,640/287,875,701.60
  6. Step 6: Final answer
    x = 285,847,308.04

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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.