Home / 742,717,139,802.48-1,024,953,123,874.70-421,950,576,236.40

Finding the Fourth Proportional to 742,717,139,802.48, 1,024,953,123,874.70 and 421,950,576,236.40

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Solution

The fourth proportional to 742,717,139,802.48, 1,024,953,123,874.70 and 421,950,576,236.40 is: 582,293,767,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,717,139,802.48 : 1,024,953,123,874.70 = 421,950,576,236.40 : x
  2. Step 2: Convert to fraction form
    742,717,139,802.48/1,024,953,123,874.70 = 421,950,576,236.40/x
  3. Step 3: Cross multiply
    742,717,139,802.48x = 1,024,953,123,874.70 × 421,950,576,236.40
  4. Step 4: Simplify right side
    742,717,139,802.48x = 432,479,561,234,227,969,130,496
  5. Step 5: Solve for x
    x = 432,479,561,234,227,969,130,496/742,717,139,802.48
  6. Step 6: Final answer
    x = 582,293,767,111.99

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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.