Home / 289,728,052.20-434,592,078.30-197,895,047.40

Finding the Fourth Proportional to 289,728,052.20, 434,592,078.30 and 197,895,047.40

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Solution

The fourth proportional to 289,728,052.20, 434,592,078.30 and 197,895,047.40 is: 296,842,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,728,052.20 : 434,592,078.30 = 197,895,047.40 : x
  2. Step 2: Convert to fraction form
    289,728,052.20/434,592,078.30 = 197,895,047.40/x
  3. Step 3: Cross multiply
    289,728,052.20x = 434,592,078.30 × 197,895,047.40
  4. Step 4: Simplify right side
    289,728,052.20x = 86,003,619,934,843,024
  5. Step 5: Solve for x
    x = 86,003,619,934,843,024/289,728,052.20
  6. Step 6: Final answer
    x = 296,842,571.10

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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.