Home / 1,178,485,880.47-1,768,029,084.87-349,469,806.93

Finding the Fourth Proportional to 1,178,485,880.47, 1,768,029,084.87 and 349,469,806.93

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Solution

The fourth proportional to 1,178,485,880.47, 1,768,029,084.87 and 349,469,806.93 is: 524,293,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,485,880.47 : 1,768,029,084.87 = 349,469,806.93 : x
  2. Step 2: Convert to fraction form
    1,178,485,880.47/1,768,029,084.87 = 349,469,806.93/x
  3. Step 3: Cross multiply
    1,178,485,880.47x = 1,768,029,084.87 × 349,469,806.93
  4. Step 4: Simplify right side
    1,178,485,880.47x = 617,872,782,934,396,160
  5. Step 5: Solve for x
    x = 617,872,782,934,396,160/1,178,485,880.47
  6. Step 6: Final answer
    x = 524,293,751.14

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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.