Home / 315,575,999.10-473,363,998.65-177,826,491.90

Finding the Fourth Proportional to 315,575,999.10, 473,363,998.65 and 177,826,491.90

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Solution

The fourth proportional to 315,575,999.10, 473,363,998.65 and 177,826,491.90 is: 266,739,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,575,999.10 : 473,363,998.65 = 177,826,491.90 : x
  2. Step 2: Convert to fraction form
    315,575,999.10/473,363,998.65 = 177,826,491.90/x
  3. Step 3: Cross multiply
    315,575,999.10x = 473,363,998.65 × 177,826,491.90
  4. Step 4: Simplify right side
    315,575,999.10x = 84,176,659,271,685,840
  5. Step 5: Solve for x
    x = 84,176,659,271,685,840/315,575,999.10
  6. Step 6: Final answer
    x = 266,739,737.85

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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.