Home / 524,833,315.20-787,249,972.80-422,796,643.20

Finding the Fourth Proportional to 524,833,315.20, 787,249,972.80 and 422,796,643.20

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Solution

The fourth proportional to 524,833,315.20, 787,249,972.80 and 422,796,643.20 is: 634,194,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,833,315.20 : 787,249,972.80 = 422,796,643.20 : x
  2. Step 2: Convert to fraction form
    524,833,315.20/787,249,972.80 = 422,796,643.20/x
  3. Step 3: Cross multiply
    524,833,315.20x = 787,249,972.80 × 422,796,643.20
  4. Step 4: Simplify right side
    524,833,315.20x = 332,846,645,859,131,264
  5. Step 5: Solve for x
    x = 332,846,645,859,131,264/524,833,315.20
  6. Step 6: Final answer
    x = 634,194,964.80

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Double scale
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Similar ratio
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1.5x scale

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.