Home / 289,655,512.20-434,987,153.10-153,606,616.20

Finding the Fourth Proportional to 289,655,512.20, 434,987,153.10 and 153,606,616.20

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Solution

The fourth proportional to 289,655,512.20, 434,987,153.10 and 153,606,616.20 is: 230,677,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,655,512.20 : 434,987,153.10 = 153,606,616.20 : x
  2. Step 2: Convert to fraction form
    289,655,512.20/434,987,153.10 = 153,606,616.20/x
  3. Step 3: Cross multiply
    289,655,512.20x = 434,987,153.10 × 153,606,616.20
  4. Step 4: Simplify right side
    289,655,512.20x = 66,816,904,678,162,336
  5. Step 5: Solve for x
    x = 66,816,904,678,162,336/289,655,512.20
  6. Step 6: Final answer
    x = 230,677,138.41

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1.5x scale

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.