Home / 515,101,642.34-772,970,270.23-238,701,337.22

Finding the Fourth Proportional to 515,101,642.34, 772,970,270.23 and 238,701,337.22

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Solution

The fourth proportional to 515,101,642.34, 772,970,270.23 and 238,701,337.22 is: 358,199,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,101,642.34 : 772,970,270.23 = 238,701,337.22 : x
  2. Step 2: Convert to fraction form
    515,101,642.34/772,970,270.23 = 238,701,337.22/x
  3. Step 3: Cross multiply
    515,101,642.34x = 772,970,270.23 × 238,701,337.22
  4. Step 4: Simplify right side
    515,101,642.34x = 184,509,037,135,205,760
  5. Step 5: Solve for x
    x = 184,509,037,135,205,760/515,101,642.34
  6. Step 6: Final answer
    x = 358,199,279.46

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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.