Home / 291,453,200.10-436,899,864.15-168,505,308.90

Finding the Fourth Proportional to 291,453,200.10, 436,899,864.15 and 168,505,308.90

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Solution

The fourth proportional to 291,453,200.10, 436,899,864.15 and 168,505,308.90 is: 252,596,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,453,200.10 : 436,899,864.15 = 168,505,308.90 : x
  2. Step 2: Convert to fraction form
    291,453,200.10/436,899,864.15 = 168,505,308.90/x
  3. Step 3: Cross multiply
    291,453,200.10x = 436,899,864.15 × 168,505,308.90
  4. Step 4: Simplify right side
    291,453,200.10x = 73,619,946,566,963,792
  5. Step 5: Solve for x
    x = 73,619,946,566,963,792/291,453,200.10
  6. Step 6: Final answer
    x = 252,596,116.78

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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.