Home / 380,611,212.40-570,916,818.60-360,959,705.20

Finding the Fourth Proportional to 380,611,212.40, 570,916,818.60 and 360,959,705.20

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Solution

The fourth proportional to 380,611,212.40, 570,916,818.60 and 360,959,705.20 is: 541,439,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,611,212.40 : 570,916,818.60 = 360,959,705.20 : x
  2. Step 2: Convert to fraction form
    380,611,212.40/570,916,818.60 = 360,959,705.20/x
  3. Step 3: Cross multiply
    380,611,212.40x = 570,916,818.60 × 360,959,705.20
  4. Step 4: Simplify right side
    380,611,212.40x = 206,077,966,535,577,888
  5. Step 5: Solve for x
    x = 206,077,966,535,577,888/380,611,212.40
  6. Step 6: Final answer
    x = 541,439,557.80

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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.