Home / 1,092,307,772.20-1,639,028,528.70-478,953,999.40

Finding the Fourth Proportional to 1,092,307,772.20, 1,639,028,528.70 and 478,953,999.40

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Solution

The fourth proportional to 1,092,307,772.20, 1,639,028,528.70 and 478,953,999.40 is: 718,679,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,307,772.20 : 1,639,028,528.70 = 478,953,999.40 : x
  2. Step 2: Convert to fraction form
    1,092,307,772.20/1,639,028,528.70 = 478,953,999.40/x
  3. Step 3: Cross multiply
    1,092,307,772.20x = 1,639,028,528.70 × 478,953,999.40
  4. Step 4: Simplify right side
    1,092,307,772.20x = 785,019,268,951,562,624
  5. Step 5: Solve for x
    x = 785,019,268,951,562,624/1,092,307,772.20
  6. Step 6: Final answer
    x = 718,679,559.86

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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.