Home / 556,305,967.92-767,663,830.23-308,767,836

Finding the Fourth Proportional to 556,305,967.92, 767,663,830.23 and 308,767,836

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Solution

The fourth proportional to 556,305,967.92, 767,663,830.23 and 308,767,836 is: 426,078,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,305,967.92 : 767,663,830.23 = 308,767,836 : x
  2. Step 2: Convert to fraction form
    556,305,967.92/767,663,830.23 = 308,767,836/x
  3. Step 3: Cross multiply
    556,305,967.92x = 767,663,830.23 × 308,767,836
  4. Step 4: Simplify right side
    556,305,967.92x = 237,029,899,635,588,480
  5. Step 5: Solve for x
    x = 237,029,899,635,588,480/556,305,967.92
  6. Step 6: Final answer
    x = 426,078,297.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.