Home / 319,035,771.70-478,553,657.55-273,119,269.30

Finding the Fourth Proportional to 319,035,771.70, 478,553,657.55 and 273,119,269.30

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Solution

The fourth proportional to 319,035,771.70, 478,553,657.55 and 273,119,269.30 is: 409,678,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,035,771.70 : 478,553,657.55 = 273,119,269.30 : x
  2. Step 2: Convert to fraction form
    319,035,771.70/478,553,657.55 = 273,119,269.30/x
  3. Step 3: Cross multiply
    319,035,771.70x = 478,553,657.55 × 273,119,269.30
  4. Step 4: Simplify right side
    319,035,771.70x = 130,702,225,270,898,432
  5. Step 5: Solve for x
    x = 130,702,225,270,898,432/319,035,771.70
  6. Step 6: Final answer
    x = 409,678,903.95

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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.