Home / 497,664,583.20-746,142,980.40-190,838,138.40

Finding the Fourth Proportional to 497,664,583.20, 746,142,980.40 and 190,838,138.40

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Solution

The fourth proportional to 497,664,583.20, 746,142,980.40 and 190,838,138.40 is: 286,121,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,583.20 : 746,142,980.40 = 190,838,138.40 : x
  2. Step 2: Convert to fraction form
    497,664,583.20/746,142,980.40 = 190,838,138.40/x
  3. Step 3: Cross multiply
    497,664,583.20x = 746,142,980.40 × 190,838,138.40
  4. Step 4: Simplify right side
    497,664,583.20x = 142,392,537,359,763,680
  5. Step 5: Solve for x
    x = 142,392,537,359,763,680/497,664,583.20
  6. Step 6: Final answer
    x = 286,121,500.64

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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.