Home / 413,683,779.15-620,708,434.27-216,900,144.92

Finding the Fourth Proportional to 413,683,779.15, 620,708,434.27 and 216,900,144.92

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Solution

The fourth proportional to 413,683,779.15, 620,708,434.27 and 216,900,144.92 is: 325,446,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,683,779.15 : 620,708,434.27 = 216,900,144.92 : x
  2. Step 2: Convert to fraction form
    413,683,779.15/620,708,434.27 = 216,900,144.92/x
  3. Step 3: Cross multiply
    413,683,779.15x = 620,708,434.27 × 216,900,144.92
  4. Step 4: Simplify right side
    413,683,779.15x = 134,631,749,347,238,832
  5. Step 5: Solve for x
    x = 134,631,749,347,238,832/413,683,779.15
  6. Step 6: Final answer
    x = 325,446,043.89

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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.