Home / 319,035,823.20-478,553,734.80-273,119,320.80

Finding the Fourth Proportional to 319,035,823.20, 478,553,734.80 and 273,119,320.80

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Solution

The fourth proportional to 319,035,823.20, 478,553,734.80 and 273,119,320.80 is: 409,678,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,035,823.20 : 478,553,734.80 = 273,119,320.80 : x
  2. Step 2: Convert to fraction form
    319,035,823.20/478,553,734.80 = 273,119,320.80/x
  3. Step 3: Cross multiply
    319,035,823.20x = 478,553,734.80 × 273,119,320.80
  4. Step 4: Simplify right side
    319,035,823.20x = 130,702,271,014,879,328
  5. Step 5: Solve for x
    x = 130,702,271,014,879,328/319,035,823.20
  6. Step 6: Final answer
    x = 409,678,981.20

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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.