Home / 388,650,187,818.07-583,054,792,587.30-133,646,453,747.15

Finding the Fourth Proportional to 388,650,187,818.07, 583,054,792,587.30 and 133,646,453,747.15

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Solution

The fourth proportional to 388,650,187,818.07, 583,054,792,587.30 and 133,646,453,747.15 is: 200,497,022,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,650,187,818.07 : 583,054,792,587.30 = 133,646,453,747.15 : x
  2. Step 2: Convert to fraction form
    388,650,187,818.07/583,054,792,587.30 = 133,646,453,747.15/x
  3. Step 3: Cross multiply
    388,650,187,818.07x = 583,054,792,587.30 × 133,646,453,747.15
  4. Step 4: Simplify right side
    388,650,187,818.07x = 77,923,205,369,572,731,387,904
  5. Step 5: Solve for x
    x = 77,923,205,369,572,731,387,904/388,650,187,818.07
  6. Step 6: Final answer
    x = 200,497,022,288.97

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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.