Home / 315,907,487.20-473,861,230.80-262,159,775.20

Finding the Fourth Proportional to 315,907,487.20, 473,861,230.80 and 262,159,775.20

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Solution

The fourth proportional to 315,907,487.20, 473,861,230.80 and 262,159,775.20 is: 393,239,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,907,487.20 : 473,861,230.80 = 262,159,775.20 : x
  2. Step 2: Convert to fraction form
    315,907,487.20/473,861,230.80 = 262,159,775.20/x
  3. Step 3: Cross multiply
    315,907,487.20x = 473,861,230.80 × 262,159,775.20
  4. Step 4: Simplify right side
    315,907,487.20x = 124,227,353,742,523,312
  5. Step 5: Solve for x
    x = 124,227,353,742,523,312/315,907,487.20
  6. Step 6: Final answer
    x = 393,239,662.80

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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.