Home / 319,241,982.84-478,633,152.60-196,166,014.71

Finding the Fourth Proportional to 319,241,982.84, 478,633,152.60 and 196,166,014.71

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Solution

The fourth proportional to 319,241,982.84, 478,633,152.60 and 196,166,014.71 is: 294,107,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,241,982.84 : 478,633,152.60 = 196,166,014.71 : x
  2. Step 2: Convert to fraction form
    319,241,982.84/478,633,152.60 = 196,166,014.71/x
  3. Step 3: Cross multiply
    319,241,982.84x = 478,633,152.60 × 196,166,014.71
  4. Step 4: Simplify right side
    319,241,982.84x = 93,891,558,053,625,280
  5. Step 5: Solve for x
    x = 93,891,558,053,625,280/319,241,982.84
  6. Step 6: Final answer
    x = 294,107,802.55

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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.