Home / 388,828,490.53-583,145,658.90-152,526,042.40

Finding the Fourth Proportional to 388,828,490.53, 583,145,658.90 and 152,526,042.40

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Solution

The fourth proportional to 388,828,490.53, 583,145,658.90 and 152,526,042.40 is: 228,750,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,828,490.53 : 583,145,658.90 = 152,526,042.40 : x
  2. Step 2: Convert to fraction form
    388,828,490.53/583,145,658.90 = 152,526,042.40/x
  3. Step 3: Cross multiply
    388,828,490.53x = 583,145,658.90 × 152,526,042.40
  4. Step 4: Simplify right side
    388,828,490.53x = 88,944,899,494,757,344
  5. Step 5: Solve for x
    x = 88,944,899,494,757,344/388,828,490.53
  6. Step 6: Final answer
    x = 228,750,983.17

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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.