Home / 291,350,492.40-436,955,754.60-168,262,633.20

Finding the Fourth Proportional to 291,350,492.40, 436,955,754.60 and 168,262,633.20

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Solution

The fourth proportional to 291,350,492.40, 436,955,754.60 and 168,262,633.20 is: 252,353,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,350,492.40 : 436,955,754.60 = 168,262,633.20 : x
  2. Step 2: Convert to fraction form
    291,350,492.40/436,955,754.60 = 168,262,633.20/x
  3. Step 3: Cross multiply
    291,350,492.40x = 436,955,754.60 × 168,262,633.20
  4. Step 4: Simplify right side
    291,350,492.40x = 73,523,325,860,889,008
  5. Step 5: Solve for x
    x = 73,523,325,860,889,008/291,350,492.40
  6. Step 6: Final answer
    x = 252,353,532.18

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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.