Home / 747,112,372.61-1,121,348,614.73-397,651,828.50

Finding the Fourth Proportional to 747,112,372.61, 1,121,348,614.73 and 397,651,828.50

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Solution

The fourth proportional to 747,112,372.61, 1,121,348,614.73 and 397,651,828.50 is: 596,839,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,112,372.61 : 1,121,348,614.73 = 397,651,828.50 : x
  2. Step 2: Convert to fraction form
    747,112,372.61/1,121,348,614.73 = 397,651,828.50/x
  3. Step 3: Cross multiply
    747,112,372.61x = 1,121,348,614.73 × 397,651,828.50
  4. Step 4: Simplify right side
    747,112,372.61x = 445,906,327,031,338,240
  5. Step 5: Solve for x
    x = 445,906,327,031,338,240/747,112,372.61
  6. Step 6: Final answer
    x = 596,839,703.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.