Home / 315,044,389.70-472,566,584.55-272,577,061.70

Finding the Fourth Proportional to 315,044,389.70, 472,566,584.55 and 272,577,061.70

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Solution

The fourth proportional to 315,044,389.70, 472,566,584.55 and 272,577,061.70 is: 408,865,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,389.70 : 472,566,584.55 = 272,577,061.70 : x
  2. Step 2: Convert to fraction form
    315,044,389.70/472,566,584.55 = 272,577,061.70/x
  3. Step 3: Cross multiply
    315,044,389.70x = 472,566,584.55 × 272,577,061.70
  4. Step 4: Simplify right side
    315,044,389.70x = 128,810,811,074,243,616
  5. Step 5: Solve for x
    x = 128,810,811,074,243,616/315,044,389.70
  6. Step 6: Final answer
    x = 408,865,592.55

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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.