Home / 518,996,282.10-716,216,767.47-280,841,468.67

Finding the Fourth Proportional to 518,996,282.10, 716,216,767.47 and 280,841,468.67

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Solution

The fourth proportional to 518,996,282.10, 716,216,767.47 and 280,841,468.67 is: 387,562,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,996,282.10 : 716,216,767.47 = 280,841,468.67 : x
  2. Step 2: Convert to fraction form
    518,996,282.10/716,216,767.47 = 280,841,468.67/x
  3. Step 3: Cross multiply
    518,996,282.10x = 716,216,767.47 × 280,841,468.67
  4. Step 4: Simplify right side
    518,996,282.10x = 201,143,368,862,354,688
  5. Step 5: Solve for x
    x = 201,143,368,862,354,688/518,996,282.10
  6. Step 6: Final answer
    x = 387,562,253.91

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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.