Home / 742,717,140,121.90-1,024,953,124,315.30-421,950,576,555.82

Finding the Fourth Proportional to 742,717,140,121.90, 1,024,953,124,315.30 and 421,950,576,555.82

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Solution

The fourth proportional to 742,717,140,121.90, 1,024,953,124,315.30 and 421,950,576,555.82 is: 582,293,767,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,717,140,121.90 : 1,024,953,124,315.30 = 421,950,576,555.82 : x
  2. Step 2: Convert to fraction form
    742,717,140,121.90/1,024,953,124,315.30 = 421,950,576,555.82/x
  3. Step 3: Cross multiply
    742,717,140,121.90x = 1,024,953,124,315.30 × 421,950,576,555.82
  4. Step 4: Simplify right side
    742,717,140,121.90x = 432,479,561,747,529,912,549,376
  5. Step 5: Solve for x
    x = 432,479,561,747,529,912,549,376/742,717,140,121.90
  6. Step 6: Final answer
    x = 582,293,767,552.68

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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.