Home / 500,959,645.56-691,300,889.07-277,938,953.67

Finding the Fourth Proportional to 500,959,645.56, 691,300,889.07 and 277,938,953.67

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Solution

The fourth proportional to 500,959,645.56, 691,300,889.07 and 277,938,953.67 is: 383,542,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,959,645.56 : 691,300,889.07 = 277,938,953.67 : x
  2. Step 2: Convert to fraction form
    500,959,645.56/691,300,889.07 = 277,938,953.67/x
  3. Step 3: Cross multiply
    500,959,645.56x = 691,300,889.07 × 277,938,953.67
  4. Step 4: Simplify right side
    500,959,645.56x = 192,139,445,779,256,576
  5. Step 5: Solve for x
    x = 192,139,445,779,256,576/500,959,645.56
  6. Step 6: Final answer
    x = 383,542,761.34

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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.