Home / 380,364,867.70-570,669,861.03-173,177,410.66

Finding the Fourth Proportional to 380,364,867.70, 570,669,861.03 and 173,177,410.66

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Solution

The fourth proportional to 380,364,867.70, 570,669,861.03 and 173,177,410.66 is: 259,821,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,364,867.70 : 570,669,861.03 = 173,177,410.66 : x
  2. Step 2: Convert to fraction form
    380,364,867.70/570,669,861.03 = 173,177,410.66/x
  3. Step 3: Cross multiply
    380,364,867.70x = 570,669,861.03 × 173,177,410.66
  4. Step 4: Simplify right side
    380,364,867.70x = 98,827,128,874,877,440
  5. Step 5: Solve for x
    x = 98,827,128,874,877,440/380,364,867.70
  6. Step 6: Final answer
    x = 259,821,916.45

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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.