Home / 688,435,310.36-1,032,854,421.05-222,087,762.83

Finding the Fourth Proportional to 688,435,310.36, 1,032,854,421.05 and 222,087,762.83

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Solution

The fourth proportional to 688,435,310.36, 1,032,854,421.05 and 222,087,762.83 is: 333,196,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,435,310.36 : 1,032,854,421.05 = 222,087,762.83 : x
  2. Step 2: Convert to fraction form
    688,435,310.36/1,032,854,421.05 = 222,087,762.83/x
  3. Step 3: Cross multiply
    688,435,310.36x = 1,032,854,421.05 × 222,087,762.83
  4. Step 4: Simplify right side
    688,435,310.36x = 229,384,327,702,384,992
  5. Step 5: Solve for x
    x = 229,384,327,702,384,992/688,435,310.36
  6. Step 6: Final answer
    x = 333,196,633.37

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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.