Home / 419,742,209.40-629,694,014.40-160,937,246.40

Finding the Fourth Proportional to 419,742,209.40, 629,694,014.40 and 160,937,246.40

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Solution

The fourth proportional to 419,742,209.40, 629,694,014.40 and 160,937,246.40 is: 241,436,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,742,209.40 : 629,694,014.40 = 160,937,246.40 : x
  2. Step 2: Convert to fraction form
    419,742,209.40/629,694,014.40 = 160,937,246.40/x
  3. Step 3: Cross multiply
    419,742,209.40x = 629,694,014.40 × 160,937,246.40
  4. Step 4: Simplify right side
    419,742,209.40x = 101,341,220,752,097,952
  5. Step 5: Solve for x
    x = 101,341,220,752,097,952/419,742,209.40
  6. Step 6: Final answer
    x = 241,436,811.65

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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.