Home / 219,466,580.40-328,863,947.40-207,373,345.20

Finding the Fourth Proportional to 219,466,580.40, 328,863,947.40 and 207,373,345.20

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Solution

The fourth proportional to 219,466,580.40, 328,863,947.40 and 207,373,345.20 is: 310,742,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,466,580.40 : 328,863,947.40 = 207,373,345.20 : x
  2. Step 2: Convert to fraction form
    219,466,580.40/328,863,947.40 = 207,373,345.20/x
  3. Step 3: Cross multiply
    219,466,580.40x = 328,863,947.40 × 207,373,345.20
  4. Step 4: Simplify right side
    219,466,580.40x = 68,197,616,888,014,832
  5. Step 5: Solve for x
    x = 68,197,616,888,014,832/219,466,580.40
  6. Step 6: Final answer
    x = 310,742,604.93

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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.