Home / 559,789,007.20-772,525,221.41-305,486,750.16

Finding the Fourth Proportional to 559,789,007.20, 772,525,221.41 and 305,486,750.16

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Solution

The fourth proportional to 559,789,007.20, 772,525,221.41 and 305,486,750.16 is: 421,580,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,789,007.20 : 772,525,221.41 = 305,486,750.16 : x
  2. Step 2: Convert to fraction form
    559,789,007.20/772,525,221.41 = 305,486,750.16/x
  3. Step 3: Cross multiply
    559,789,007.20x = 772,525,221.41 × 305,486,750.16
  4. Step 4: Simplify right side
    559,789,007.20x = 235,996,219,305,939,104
  5. Step 5: Solve for x
    x = 235,996,219,305,939,104/559,789,007.20
  6. Step 6: Final answer
    x = 421,580,660.34

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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.