Home / 518,870,563.65-716,057,439.17-283,931,126.37

Finding the Fourth Proportional to 518,870,563.65, 716,057,439.17 and 283,931,126.37

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Solution

The fourth proportional to 518,870,563.65, 716,057,439.17 and 283,931,126.37 is: 391,833,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,870,563.65 : 716,057,439.17 = 283,931,126.37 : x
  2. Step 2: Convert to fraction form
    518,870,563.65/716,057,439.17 = 283,931,126.37/x
  3. Step 3: Cross multiply
    518,870,563.65x = 716,057,439.17 × 283,931,126.37
  4. Step 4: Simplify right side
    518,870,563.65x = 203,310,995,247,736,192
  5. Step 5: Solve for x
    x = 203,310,995,247,736,192/518,870,563.65
  6. Step 6: Final answer
    x = 391,833,743.31

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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.