Home / 272,968,341.60-409,452,512.40-169,656,211.20

Finding the Fourth Proportional to 272,968,341.60, 409,452,512.40 and 169,656,211.20

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Solution

The fourth proportional to 272,968,341.60, 409,452,512.40 and 169,656,211.20 is: 254,484,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,968,341.60 : 409,452,512.40 = 169,656,211.20 : x
  2. Step 2: Convert to fraction form
    272,968,341.60/409,452,512.40 = 169,656,211.20/x
  3. Step 3: Cross multiply
    272,968,341.60x = 409,452,512.40 × 169,656,211.20
  4. Step 4: Simplify right side
    272,968,341.60x = 69,466,161,920,105,008
  5. Step 5: Solve for x
    x = 69,466,161,920,105,008/272,968,341.60
  6. Step 6: Final answer
    x = 254,484,316.80

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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.