Home / 434,022,672.90-651,034,009.35-161,337,015.30

Finding the Fourth Proportional to 434,022,672.90, 651,034,009.35 and 161,337,015.30

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Solution

The fourth proportional to 434,022,672.90, 651,034,009.35 and 161,337,015.30 is: 242,005,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022,672.90 : 651,034,009.35 = 161,337,015.30 : x
  2. Step 2: Convert to fraction form
    434,022,672.90/651,034,009.35 = 161,337,015.30/x
  3. Step 3: Cross multiply
    434,022,672.90x = 651,034,009.35 × 161,337,015.30
  4. Step 4: Simplify right side
    434,022,672.90x = 105,035,883,927,321,312
  5. Step 5: Solve for x
    x = 105,035,883,927,321,312/434,022,672.90
  6. Step 6: Final answer
    x = 242,005,522.95

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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.