Home / 813,294,270.60-1,219,091,100.30-444,261,640.20

Finding the Fourth Proportional to 813,294,270.60, 1,219,091,100.30 and 444,261,640.20

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Solution

The fourth proportional to 813,294,270.60, 1,219,091,100.30 and 444,261,640.20 is: 665,927,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,294,270.60 : 1,219,091,100.30 = 444,261,640.20 : x
  2. Step 2: Convert to fraction form
    813,294,270.60/1,219,091,100.30 = 444,261,640.20/x
  3. Step 3: Cross multiply
    813,294,270.60x = 1,219,091,100.30 × 444,261,640.20
  4. Step 4: Simplify right side
    813,294,270.60x = 541,595,411,772,500,672
  5. Step 5: Solve for x
    x = 541,595,411,772,500,672/813,294,270.60
  6. Step 6: Final answer
    x = 665,927,981.24

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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.