Home / 424,141,544.40-636,212,316.60-220,068,200.40

Finding the Fourth Proportional to 424,141,544.40, 636,212,316.60 and 220,068,200.40

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Solution

The fourth proportional to 424,141,544.40, 636,212,316.60 and 220,068,200.40 is: 330,102,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,141,544.40 : 636,212,316.60 = 220,068,200.40 : x
  2. Step 2: Convert to fraction form
    424,141,544.40/636,212,316.60 = 220,068,200.40/x
  3. Step 3: Cross multiply
    424,141,544.40x = 636,212,316.60 × 220,068,200.40
  4. Step 4: Simplify right side
    424,141,544.40x = 140,010,099,586,477,056
  5. Step 5: Solve for x
    x = 140,010,099,586,477,056/424,141,544.40
  6. Step 6: Final answer
    x = 330,102,300.60

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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.