Home / 556,350,173.64-767,764,750.41-305,470,815.22

Finding the Fourth Proportional to 556,350,173.64, 767,764,750.41 and 305,470,815.22

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Solution

The fourth proportional to 556,350,173.64, 767,764,750.41 and 305,470,815.22 is: 421,550,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350,173.64 : 767,764,750.41 = 305,470,815.22 : x
  2. Step 2: Convert to fraction form
    556,350,173.64/767,764,750.41 = 305,470,815.22/x
  3. Step 3: Cross multiply
    556,350,173.64x = 767,764,750.41 × 305,470,815.22
  4. Step 4: Simplify right side
    556,350,173.64x = 234,529,724,201,083,680
  5. Step 5: Solve for x
    x = 234,529,724,201,083,680/556,350,173.64
  6. Step 6: Final answer
    x = 421,550,554.52

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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.