Home / 608,838,357.15-913,603,012.55-328,715,541.36

Finding the Fourth Proportional to 608,838,357.15, 913,603,012.55 and 328,715,541.36

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Solution

The fourth proportional to 608,838,357.15, 913,603,012.55 and 328,715,541.36 is: 493,259,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,838,357.15 : 913,603,012.55 = 328,715,541.36 : x
  2. Step 2: Convert to fraction form
    608,838,357.15/913,603,012.55 = 328,715,541.36/x
  3. Step 3: Cross multiply
    608,838,357.15x = 913,603,012.55 × 328,715,541.36
  4. Step 4: Simplify right side
    608,838,357.15x = 300,315,508,856,856,576
  5. Step 5: Solve for x
    x = 300,315,508,856,856,576/608,838,357.15
  6. Step 6: Final answer
    x = 493,259,837.08

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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.