Home / 478,530,566.60-717,795,849.90-155,447,097.80

Finding the Fourth Proportional to 478,530,566.60, 717,795,849.90 and 155,447,097.80

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Solution

The fourth proportional to 478,530,566.60, 717,795,849.90 and 155,447,097.80 is: 233,170,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,530,566.60 : 717,795,849.90 = 155,447,097.80 : x
  2. Step 2: Convert to fraction form
    478,530,566.60/717,795,849.90 = 155,447,097.80/x
  3. Step 3: Cross multiply
    478,530,566.60x = 717,795,849.90 × 155,447,097.80
  4. Step 4: Simplify right side
    478,530,566.60x = 111,579,281,679,839,424
  5. Step 5: Solve for x
    x = 111,579,281,679,839,424/478,530,566.60
  6. Step 6: Final answer
    x = 233,170,646.70

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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.