Home / 308,097,078,206.79-425,174,468,102.31-170,919,907,987.91

Finding the Fourth Proportional to 308,097,078,206.79, 425,174,468,102.31 and 170,919,907,987.91

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Solution

The fourth proportional to 308,097,078,206.79, 425,174,468,102.31 and 170,919,907,987.91 is: 235,869,750,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097,078,206.79 : 425,174,468,102.31 = 170,919,907,987.91 : x
  2. Step 2: Convert to fraction form
    308,097,078,206.79/425,174,468,102.31 = 170,919,907,987.91/x
  3. Step 3: Cross multiply
    308,097,078,206.79x = 425,174,468,102.31 × 170,919,907,987.91
  4. Step 4: Simplify right side
    308,097,078,206.79x = 72,670,780,966,855,405,207,552
  5. Step 5: Solve for x
    x = 72,670,780,966,855,405,207,552/308,097,078,206.79
  6. Step 6: Final answer
    x = 235,869,750,501.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.