Home / 308,097,078,205.79-425,174,468,100.93-170,919,907,986.91

Finding the Fourth Proportional to 308,097,078,205.79, 425,174,468,100.93 and 170,919,907,986.91

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Solution

The fourth proportional to 308,097,078,205.79, 425,174,468,100.93 and 170,919,907,986.91 is: 235,869,750,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097,078,205.79 : 425,174,468,100.93 = 170,919,907,986.91 : x
  2. Step 2: Convert to fraction form
    308,097,078,205.79/425,174,468,100.93 = 170,919,907,986.91/x
  3. Step 3: Cross multiply
    308,097,078,205.79x = 425,174,468,100.93 × 170,919,907,986.91
  4. Step 4: Simplify right side
    308,097,078,205.79x = 72,670,780,966,194,357,731,328
  5. Step 5: Solve for x
    x = 72,670,780,966,194,357,731,328/308,097,078,205.79
  6. Step 6: Final answer
    x = 235,869,750,500.05

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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.