Home / 402,550,669.60-603,826,004.40-172,543,004.80

Finding the Fourth Proportional to 402,550,669.60, 603,826,004.40 and 172,543,004.80

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Solution

The fourth proportional to 402,550,669.60, 603,826,004.40 and 172,543,004.80 is: 258,814,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,550,669.60 : 603,826,004.40 = 172,543,004.80 : x
  2. Step 2: Convert to fraction form
    402,550,669.60/603,826,004.40 = 172,543,004.80/x
  3. Step 3: Cross multiply
    402,550,669.60x = 603,826,004.40 × 172,543,004.80
  4. Step 4: Simplify right side
    402,550,669.60x = 104,185,953,175,554,032
  5. Step 5: Solve for x
    x = 104,185,953,175,554,032/402,550,669.60
  6. Step 6: Final answer
    x = 258,814,507.20

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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.