Home / 672,717,158.10-1,008,358,291.80-258,033,745.80

Finding the Fourth Proportional to 672,717,158.10, 1,008,358,291.80 and 258,033,745.80

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Solution

The fourth proportional to 672,717,158.10, 1,008,358,291.80 and 258,033,745.80 is: 386,775,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,717,158.10 : 1,008,358,291.80 = 258,033,745.80 : x
  2. Step 2: Convert to fraction form
    672,717,158.10/1,008,358,291.80 = 258,033,745.80/x
  3. Step 3: Cross multiply
    672,717,158.10x = 1,008,358,291.80 × 258,033,745.80
  4. Step 4: Simplify right side
    672,717,158.10x = 260,190,467,141,643,424
  5. Step 5: Solve for x
    x = 260,190,467,141,643,424/672,717,158.10
  6. Step 6: Final answer
    x = 386,775,428.59

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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.