Home / 1,973,279,013.12-2,960,100,467.16-645,313,940.70

Finding the Fourth Proportional to 1,973,279,013.12, 2,960,100,467.16 and 645,313,940.70

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Solution

The fourth proportional to 1,973,279,013.12, 2,960,100,467.16 and 645,313,940.70 is: 968,030,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,279,013.12 : 2,960,100,467.16 = 645,313,940.70 : x
  2. Step 2: Convert to fraction form
    1,973,279,013.12/2,960,100,467.16 = 645,313,940.70/x
  3. Step 3: Cross multiply
    1,973,279,013.12x = 2,960,100,467.16 × 645,313,940.70
  4. Step 4: Simplify right side
    1,973,279,013.12x = 1,910,194,097,330,930,688
  5. Step 5: Solve for x
    x = 1,910,194,097,330,930,688/1,973,279,013.12
  6. Step 6: Final answer
    x = 968,030,412.64

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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.