Home / 579,173,998.80-868,760,998.20-307,076,206.80

Finding the Fourth Proportional to 579,173,998.80, 868,760,998.20 and 307,076,206.80

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Solution

The fourth proportional to 579,173,998.80, 868,760,998.20 and 307,076,206.80 is: 460,614,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,173,998.80 : 868,760,998.20 = 307,076,206.80 : x
  2. Step 2: Convert to fraction form
    579,173,998.80/868,760,998.20 = 307,076,206.80/x
  3. Step 3: Cross multiply
    579,173,998.80x = 868,760,998.20 × 307,076,206.80
  4. Step 4: Simplify right side
    579,173,998.80x = 266,775,831,943,037,664
  5. Step 5: Solve for x
    x = 266,775,831,943,037,664/579,173,998.80
  6. Step 6: Final answer
    x = 460,614,310.20

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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.