Home / 403,217,778.56-604,890,440.76-144,427,269.20

Finding the Fourth Proportional to 403,217,778.56, 604,890,440.76 and 144,427,269.20

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Solution

The fourth proportional to 403,217,778.56, 604,890,440.76 and 144,427,269.20 is: 216,663,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,217,778.56 : 604,890,440.76 = 144,427,269.20 : x
  2. Step 2: Convert to fraction form
    403,217,778.56/604,890,440.76 = 144,427,269.20/x
  3. Step 3: Cross multiply
    403,217,778.56x = 604,890,440.76 × 144,427,269.20
  4. Step 4: Simplify right side
    403,217,778.56x = 87,362,674,524,151,168
  5. Step 5: Solve for x
    x = 87,362,674,524,151,168/403,217,778.56
  6. Step 6: Final answer
    x = 216,663,746.42

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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.