Home / 586,432,638.96-809,254,869.48-325,689,051.12

Finding the Fourth Proportional to 586,432,638.96, 809,254,869.48 and 325,689,051.12

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Solution

The fourth proportional to 586,432,638.96, 809,254,869.48 and 325,689,051.12 is: 449,438,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,432,638.96 : 809,254,869.48 = 325,689,051.12 : x
  2. Step 2: Convert to fraction form
    586,432,638.96/809,254,869.48 = 325,689,051.12/x
  3. Step 3: Cross multiply
    586,432,638.96x = 809,254,869.48 × 325,689,051.12
  4. Step 4: Simplify right side
    586,432,638.96x = 263,565,450,555,180,672
  5. Step 5: Solve for x
    x = 263,565,450,555,180,672/586,432,638.96
  6. Step 6: Final answer
    x = 449,438,576.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.