Home / 905,365,280.70-1,358,047,921.05-851,796,027.90

Finding the Fourth Proportional to 905,365,280.70, 1,358,047,921.05 and 851,796,027.90

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Solution

The fourth proportional to 905,365,280.70, 1,358,047,921.05 and 851,796,027.90 is: 1,277,694,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,365,280.70 : 1,358,047,921.05 = 851,796,027.90 : x
  2. Step 2: Convert to fraction form
    905,365,280.70/1,358,047,921.05 = 851,796,027.90/x
  3. Step 3: Cross multiply
    905,365,280.70x = 1,358,047,921.05 × 851,796,027.90
  4. Step 4: Simplify right side
    905,365,280.70x = 1,156,779,824,848,242,688
  5. Step 5: Solve for x
    x = 1,156,779,824,848,242,688/905,365,280.70
  6. Step 6: Final answer
    x = 1,277,694,041.85

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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.