Home / 272,950,819.20-409,426,228.80-169,638,688.80

Finding the Fourth Proportional to 272,950,819.20, 409,426,228.80 and 169,638,688.80

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Solution

The fourth proportional to 272,950,819.20, 409,426,228.80 and 169,638,688.80 is: 254,458,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,950,819.20 : 409,426,228.80 = 169,638,688.80 : x
  2. Step 2: Convert to fraction form
    272,950,819.20/409,426,228.80 = 169,638,688.80/x
  3. Step 3: Cross multiply
    272,950,819.20x = 409,426,228.80 × 169,638,688.80
  4. Step 4: Simplify right side
    272,950,819.20x = 69,454,528,613,960,808
  5. Step 5: Solve for x
    x = 69,454,528,613,960,808/272,950,819.20
  6. Step 6: Final answer
    x = 254,458,033.20

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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.