Home / 353,347,258.38-530,078,432.69-104,377,778.70

Finding the Fourth Proportional to 353,347,258.38, 530,078,432.69 and 104,377,778.70

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Solution

The fourth proportional to 353,347,258.38, 530,078,432.69 and 104,377,778.70 is: 156,583,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,347,258.38 : 530,078,432.69 = 104,377,778.70 : x
  2. Step 2: Convert to fraction form
    353,347,258.38/530,078,432.69 = 104,377,778.70/x
  3. Step 3: Cross multiply
    353,347,258.38x = 530,078,432.69 × 104,377,778.70
  4. Step 4: Simplify right side
    353,347,258.38x = 55,328,409,342,363,280
  5. Step 5: Solve for x
    x = 55,328,409,342,363,280/353,347,258.38
  6. Step 6: Final answer
    x = 156,583,666.72

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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.