Home / 319,035,771.45-478,553,657.18-273,119,269.05

Finding the Fourth Proportional to 319,035,771.45, 478,553,657.18 and 273,119,269.05

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Solution

The fourth proportional to 319,035,771.45, 478,553,657.18 and 273,119,269.05 is: 409,678,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,035,771.45 : 478,553,657.18 = 273,119,269.05 : x
  2. Step 2: Convert to fraction form
    319,035,771.45/478,553,657.18 = 273,119,269.05/x
  3. Step 3: Cross multiply
    319,035,771.45x = 478,553,657.18 × 273,119,269.05
  4. Step 4: Simplify right side
    319,035,771.45x = 130,702,225,048,840,304
  5. Step 5: Solve for x
    x = 130,702,225,048,840,304/319,035,771.45
  6. Step 6: Final answer
    x = 409,678,903.58

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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.