Home / 556,003,327.50-767,296,311.24-305,105,524.80

Finding the Fourth Proportional to 556,003,327.50, 767,296,311.24 and 305,105,524.80

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Solution

The fourth proportional to 556,003,327.50, 767,296,311.24 and 305,105,524.80 is: 421,052,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,003,327.50 : 767,296,311.24 = 305,105,524.80 : x
  2. Step 2: Convert to fraction form
    556,003,327.50/767,296,311.24 = 305,105,524.80/x
  3. Step 3: Cross multiply
    556,003,327.50x = 767,296,311.24 × 305,105,524.80
  4. Step 4: Simplify right side
    556,003,327.50x = 234,106,343,717,984,352
  5. Step 5: Solve for x
    x = 234,106,343,717,984,352/556,003,327.50
  6. Step 6: Final answer
    x = 421,052,055.16

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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.