Home / 4,079,716,107.20-6,119,574,160.80-1,319,624,129.60

Finding the Fourth Proportional to 4,079,716,107.20, 6,119,574,160.80 and 1,319,624,129.60

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Solution

The fourth proportional to 4,079,716,107.20, 6,119,574,160.80 and 1,319,624,129.60 is: 1,979,436,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079,716,107.20 : 6,119,574,160.80 = 1,319,624,129.60 : x
  2. Step 2: Convert to fraction form
    4,079,716,107.20/6,119,574,160.80 = 1,319,624,129.60/x
  3. Step 3: Cross multiply
    4,079,716,107.20x = 6,119,574,160.80 × 1,319,624,129.60
  4. Step 4: Simplify right side
    4,079,716,107.20x = 8,075,537,725,468,350,464
  5. Step 5: Solve for x
    x = 8,075,537,725,468,350,464/4,079,716,107.20
  6. Step 6: Final answer
    x = 1,979,436,194.40

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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.