Home / 691,455,370.23-953,605,370.07-490,114,002.06

Finding the Fourth Proportional to 691,455,370.23, 953,605,370.07 and 490,114,002.06

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Solution

The fourth proportional to 691,455,370.23, 953,605,370.07 and 490,114,002.06 is: 675,929,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,455,370.23 : 953,605,370.07 = 490,114,002.06 : x
  2. Step 2: Convert to fraction form
    691,455,370.23/953,605,370.07 = 490,114,002.06/x
  3. Step 3: Cross multiply
    691,455,370.23x = 953,605,370.07 × 490,114,002.06
  4. Step 4: Simplify right side
    691,455,370.23x = 467,375,344,310,915,072
  5. Step 5: Solve for x
    x = 467,375,344,310,915,072/691,455,370.23
  6. Step 6: Final answer
    x = 675,929,878.39

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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.