Home / 382,465,038.80-572,509,995.33-207,152,649.92

Finding the Fourth Proportional to 382,465,038.80, 572,509,995.33 and 207,152,649.92

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Solution

The fourth proportional to 382,465,038.80, 572,509,995.33 and 207,152,649.92 is: 310,085,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,465,038.80 : 572,509,995.33 = 207,152,649.92 : x
  2. Step 2: Convert to fraction form
    382,465,038.80/572,509,995.33 = 207,152,649.92/x
  3. Step 3: Cross multiply
    382,465,038.80x = 572,509,995.33 × 207,152,649.92
  4. Step 4: Simplify right side
    382,465,038.80x = 118,596,962,640,504,432
  5. Step 5: Solve for x
    x = 118,596,962,640,504,432/382,465,038.80
  6. Step 6: Final answer
    x = 310,085,761.07

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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.