Home / 524,977,372.80-787,391,409.60-179,946,921.60

Finding the Fourth Proportional to 524,977,372.80, 787,391,409.60 and 179,946,921.60

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Solution

The fourth proportional to 524,977,372.80, 787,391,409.60 and 179,946,921.60 is: 269,894,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,977,372.80 : 787,391,409.60 = 179,946,921.60 : x
  2. Step 2: Convert to fraction form
    524,977,372.80/787,391,409.60 = 179,946,921.60/x
  3. Step 3: Cross multiply
    524,977,372.80x = 787,391,409.60 × 179,946,921.60
  4. Step 4: Simplify right side
    524,977,372.80x = 141,688,660,251,804,688
  5. Step 5: Solve for x
    x = 141,688,660,251,804,688/524,977,372.80
  6. Step 6: Final answer
    x = 269,894,794.70

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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.