Home / 319,364,518.40-478,150,982.40-310,406,566.40

Finding the Fourth Proportional to 319,364,518.40, 478,150,982.40 and 310,406,566.40

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Solution

The fourth proportional to 319,364,518.40, 478,150,982.40 and 310,406,566.40 is: 464,739,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,364,518.40 : 478,150,982.40 = 310,406,566.40 : x
  2. Step 2: Convert to fraction form
    319,364,518.40/478,150,982.40 = 310,406,566.40/x
  3. Step 3: Cross multiply
    319,364,518.40x = 478,150,982.40 × 310,406,566.40
  4. Step 4: Simplify right side
    319,364,518.40x = 148,421,204,667,570,816
  5. Step 5: Solve for x
    x = 148,421,204,667,570,816/319,364,518.40
  6. Step 6: Final answer
    x = 464,739,180.83

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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.