Home / 945,557,472.24-1,305,217,520.28-569,231,558.64

Finding the Fourth Proportional to 945,557,472.24, 1,305,217,520.28 and 569,231,558.64

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Solution

The fourth proportional to 945,557,472.24, 1,305,217,520.28 and 569,231,558.64 is: 785,749,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,557,472.24 : 1,305,217,520.28 = 569,231,558.64 : x
  2. Step 2: Convert to fraction form
    945,557,472.24/1,305,217,520.28 = 569,231,558.64/x
  3. Step 3: Cross multiply
    945,557,472.24x = 1,305,217,520.28 × 569,231,558.64
  4. Step 4: Simplify right side
    945,557,472.24x = 742,971,003,433,220,224
  5. Step 5: Solve for x
    x = 742,971,003,433,220,224/945,557,472.24
  6. Step 6: Final answer
    x = 785,749,174.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.