Home / 380,280,421.20-524,833,322.94-223,639,957.92

Finding the Fourth Proportional to 380,280,421.20, 524,833,322.94 and 223,639,957.92

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Solution

The fourth proportional to 380,280,421.20, 524,833,322.94 and 223,639,957.92 is: 308,650,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,280,421.20 : 524,833,322.94 = 223,639,957.92 : x
  2. Step 2: Convert to fraction form
    380,280,421.20/524,833,322.94 = 223,639,957.92/x
  3. Step 3: Cross multiply
    380,280,421.20x = 524,833,322.94 × 223,639,957.92
  4. Step 4: Simplify right side
    380,280,421.20x = 117,373,702,257,315,360
  5. Step 5: Solve for x
    x = 117,373,702,257,315,360/380,280,421.20
  6. Step 6: Final answer
    x = 308,650,395.11

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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.