Home / 545,391,779.40-818,202,705.30-176,898,113.28

Finding the Fourth Proportional to 545,391,779.40, 818,202,705.30 and 176,898,113.28

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Solution

The fourth proportional to 545,391,779.40, 818,202,705.30 and 176,898,113.28 is: 265,384,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,391,779.40 : 818,202,705.30 = 176,898,113.28 : x
  2. Step 2: Convert to fraction form
    545,391,779.40/818,202,705.30 = 176,898,113.28/x
  3. Step 3: Cross multiply
    545,391,779.40x = 818,202,705.30 × 176,898,113.28
  4. Step 4: Simplify right side
    545,391,779.40x = 144,738,514,848,161,856
  5. Step 5: Solve for x
    x = 144,738,514,848,161,856/545,391,779.40
  6. Step 6: Final answer
    x = 265,384,481.97

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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.