Home / 556,350,175.17-767,764,752.53-305,470,816.76

Finding the Fourth Proportional to 556,350,175.17, 767,764,752.53 and 305,470,816.76

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Solution

The fourth proportional to 556,350,175.17, 767,764,752.53 and 305,470,816.76 is: 421,550,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350,175.17 : 767,764,752.53 = 305,470,816.76 : x
  2. Step 2: Convert to fraction form
    556,350,175.17/767,764,752.53 = 305,470,816.76/x
  3. Step 3: Cross multiply
    556,350,175.17x = 767,764,752.53 × 305,470,816.76
  4. Step 4: Simplify right side
    556,350,175.17x = 234,529,726,029,512,192
  5. Step 5: Solve for x
    x = 234,529,726,029,512,192/556,350,175.17
  6. Step 6: Final answer
    x = 421,550,556.64

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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.