Home / 347,273,124.96-478,574,611.54-340,890,103.33

Finding the Fourth Proportional to 347,273,124.96, 478,574,611.54 and 340,890,103.33

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Solution

The fourth proportional to 347,273,124.96, 478,574,611.54 and 340,890,103.33 is: 469,778,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,273,124.96 : 478,574,611.54 = 340,890,103.33 : x
  2. Step 2: Convert to fraction form
    347,273,124.96/478,574,611.54 = 340,890,103.33/x
  3. Step 3: Cross multiply
    347,273,124.96x = 478,574,611.54 × 340,890,103.33
  4. Step 4: Simplify right side
    347,273,124.96x = 163,141,348,776,936,544
  5. Step 5: Solve for x
    x = 163,141,348,776,936,544/347,273,124.96
  6. Step 6: Final answer
    x = 469,778,215.04

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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.