Home / 478,065,463.56-659,731,828.86-277,161,496.20

Finding the Fourth Proportional to 478,065,463.56, 659,731,828.86 and 277,161,496.20

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Solution

The fourth proportional to 478,065,463.56, 659,731,828.86 and 277,161,496.20 is: 382,483,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,065,463.56 : 659,731,828.86 = 277,161,496.20 : x
  2. Step 2: Convert to fraction form
    478,065,463.56/659,731,828.86 = 277,161,496.20/x
  3. Step 3: Cross multiply
    478,065,463.56x = 659,731,828.86 × 277,161,496.20
  4. Step 4: Simplify right side
    478,065,463.56x = 182,852,260,777,599,936
  5. Step 5: Solve for x
    x = 182,852,260,777,599,936/478,065,463.56
  6. Step 6: Final answer
    x = 382,483,728.10

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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.