Home / 478,530,176.86-717,800,980.65-133,462,809.10

Finding the Fourth Proportional to 478,530,176.86, 717,800,980.65 and 133,462,809.10

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Solution

The fourth proportional to 478,530,176.86, 717,800,980.65 and 133,462,809.10 is: 200,195,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,530,176.86 : 717,800,980.65 = 133,462,809.10 : x
  2. Step 2: Convert to fraction form
    478,530,176.86/717,800,980.65 = 133,462,809.10/x
  3. Step 3: Cross multiply
    478,530,176.86x = 717,800,980.65 × 133,462,809.10
  4. Step 4: Simplify right side
    478,530,176.86x = 95,799,735,252,283,744
  5. Step 5: Solve for x
    x = 95,799,735,252,283,744/478,530,176.86
  6. Step 6: Final answer
    x = 200,195,807.67

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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.