Home / 766,823,664.59-1,058,264,079.94-423,104,144.63

Finding the Fourth Proportional to 766,823,664.59, 1,058,264,079.94 and 423,104,144.63

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Solution

The fourth proportional to 766,823,664.59, 1,058,264,079.94 and 423,104,144.63 is: 583,909,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,823,664.59 : 1,058,264,079.94 = 423,104,144.63 : x
  2. Step 2: Convert to fraction form
    766,823,664.59/1,058,264,079.94 = 423,104,144.63/x
  3. Step 3: Cross multiply
    766,823,664.59x = 1,058,264,079.94 × 423,104,144.63
  4. Step 4: Simplify right side
    766,823,664.59x = 447,755,918,330,926,400
  5. Step 5: Solve for x
    x = 447,755,918,330,926,400/766,823,664.59
  6. Step 6: Final answer
    x = 583,909,885.69

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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.