Home / 384,912,437.20-577,368,655.80-362,237,621.20

Finding the Fourth Proportional to 384,912,437.20, 577,368,655.80 and 362,237,621.20

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Solution

The fourth proportional to 384,912,437.20, 577,368,655.80 and 362,237,621.20 is: 543,356,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,437.20 : 577,368,655.80 = 362,237,621.20 : x
  2. Step 2: Convert to fraction form
    384,912,437.20/577,368,655.80 = 362,237,621.20/x
  3. Step 3: Cross multiply
    384,912,437.20x = 577,368,655.80 × 362,237,621.20
  4. Step 4: Simplify right side
    384,912,437.20x = 209,144,648,432,433,568
  5. Step 5: Solve for x
    x = 209,144,648,432,433,568/384,912,437.20
  6. Step 6: Final answer
    x = 543,356,431.80

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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.