Home / 1,156,201,232.80-1,733,727,980.40-419,241,719.20

Finding the Fourth Proportional to 1,156,201,232.80, 1,733,727,980.40 and 419,241,719.20

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Solution

The fourth proportional to 1,156,201,232.80, 1,733,727,980.40 and 419,241,719.20 is: 628,654,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,201,232.80 : 1,733,727,980.40 = 419,241,719.20 : x
  2. Step 2: Convert to fraction form
    1,156,201,232.80/1,733,727,980.40 = 419,241,719.20/x
  3. Step 3: Cross multiply
    1,156,201,232.80x = 1,733,727,980.40 × 419,241,719.20
  4. Step 4: Simplify right side
    1,156,201,232.80x = 726,851,099,128,039,936
  5. Step 5: Solve for x
    x = 726,851,099,128,039,936/1,156,201,232.80
  6. Step 6: Final answer
    x = 628,654,492.41

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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.