Home / 470,308,503.56-649,067,090.28-258,652,631.76

Finding the Fourth Proportional to 470,308,503.56, 649,067,090.28 and 258,652,631.76

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Solution

The fourth proportional to 470,308,503.56, 649,067,090.28 and 258,652,631.76 is: 356,963,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,308,503.56 : 649,067,090.28 = 258,652,631.76 : x
  2. Step 2: Convert to fraction form
    470,308,503.56/649,067,090.28 = 258,652,631.76/x
  3. Step 3: Cross multiply
    470,308,503.56x = 649,067,090.28 × 258,652,631.76
  4. Step 4: Simplify right side
    470,308,503.56x = 167,882,911,089,727,488
  5. Step 5: Solve for x
    x = 167,882,911,089,727,488/470,308,503.56
  6. Step 6: Final answer
    x = 356,963,375.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.