Home / 1,220,832,836.60-1,831,361,229.30-402,946,935.80

Finding the Fourth Proportional to 1,220,832,836.60, 1,831,361,229.30 and 402,946,935.80

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Solution

The fourth proportional to 1,220,832,836.60, 1,831,361,229.30 and 402,946,935.80 is: 604,457,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,832,836.60 : 1,831,361,229.30 = 402,946,935.80 : x
  2. Step 2: Convert to fraction form
    1,220,832,836.60/1,831,361,229.30 = 402,946,935.80/x
  3. Step 3: Cross multiply
    1,220,832,836.60x = 1,831,361,229.30 × 402,946,935.80
  4. Step 4: Simplify right side
    1,220,832,836.60x = 737,941,395,689,356,160
  5. Step 5: Solve for x
    x = 737,941,395,689,356,160/1,220,832,836.60
  6. Step 6: Final answer
    x = 604,457,361.86

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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.