Home / 377,038,468.80-564,282,244.80-331,121,966.40

Finding the Fourth Proportional to 377,038,468.80, 564,282,244.80 and 331,121,966.40

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Solution

The fourth proportional to 377,038,468.80, 564,282,244.80 and 331,121,966.40 is: 495,562,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,038,468.80 : 564,282,244.80 = 331,121,966.40 : x
  2. Step 2: Convert to fraction form
    377,038,468.80/564,282,244.80 = 331,121,966.40/x
  3. Step 3: Cross multiply
    377,038,468.80x = 564,282,244.80 × 331,121,966.40
  4. Step 4: Simplify right side
    377,038,468.80x = 186,846,246,502,782,144
  5. Step 5: Solve for x
    x = 186,846,246,502,782,144/377,038,468.80
  6. Step 6: Final answer
    x = 495,562,819.09

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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.