Home / 518,996,410.56-716,216,943.96-280,841,596.20

Finding the Fourth Proportional to 518,996,410.56, 716,216,943.96 and 280,841,596.20

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Solution

The fourth proportional to 518,996,410.56, 716,216,943.96 and 280,841,596.20 is: 387,562,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,996,410.56 : 716,216,943.96 = 280,841,596.20 : x
  2. Step 2: Convert to fraction form
    518,996,410.56/716,216,943.96 = 280,841,596.20/x
  3. Step 3: Cross multiply
    518,996,410.56x = 716,216,943.96 × 280,841,596.20
  4. Step 4: Simplify right side
    518,996,410.56x = 201,143,509,767,212,352
  5. Step 5: Solve for x
    x = 201,143,509,767,212,352/518,996,410.56
  6. Step 6: Final answer
    x = 387,562,429.48

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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.