Home / 424,140,074.40-636,210,111.60-220,066,730.40

Finding the Fourth Proportional to 424,140,074.40, 636,210,111.60 and 220,066,730.40

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Solution

The fourth proportional to 424,140,074.40, 636,210,111.60 and 220,066,730.40 is: 330,100,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,140,074.40 : 636,210,111.60 = 220,066,730.40 : x
  2. Step 2: Convert to fraction form
    424,140,074.40/636,210,111.60 = 220,066,730.40/x
  3. Step 3: Cross multiply
    424,140,074.40x = 636,210,111.60 × 220,066,730.40
  4. Step 4: Simplify right side
    424,140,074.40x = 140,008,679,107,231,120
  5. Step 5: Solve for x
    x = 140,008,679,107,231,120/424,140,074.40
  6. Step 6: Final answer
    x = 330,100,095.60

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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.