Home / 524,360,383.80-723,618,790.56-286,207,718.64

Finding the Fourth Proportional to 524,360,383.80, 723,618,790.56 and 286,207,718.64

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Solution

The fourth proportional to 524,360,383.80, 723,618,790.56 and 286,207,718.64 is: 394,967,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,360,383.80 : 723,618,790.56 = 286,207,718.64 : x
  2. Step 2: Convert to fraction form
    524,360,383.80/723,618,790.56 = 286,207,718.64/x
  3. Step 3: Cross multiply
    524,360,383.80x = 723,618,790.56 × 286,207,718.64
  4. Step 4: Simplify right side
    524,360,383.80x = 207,105,283,211,213,536
  5. Step 5: Solve for x
    x = 207,105,283,211,213,536/524,360,383.80
  6. Step 6: Final answer
    x = 394,967,449.12

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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.