Home / 2,638,514,922.48-3,641,136,509.03-1,432,845,629.87

Finding the Fourth Proportional to 2,638,514,922.48, 3,641,136,509.03 and 1,432,845,629.87

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Solution

The fourth proportional to 2,638,514,922.48, 3,641,136,509.03 and 1,432,845,629.87 is: 1,977,319,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,514,922.48 : 3,641,136,509.03 = 1,432,845,629.87 : x
  2. Step 2: Convert to fraction form
    2,638,514,922.48/3,641,136,509.03 = 1,432,845,629.87/x
  3. Step 3: Cross multiply
    2,638,514,922.48x = 3,641,136,509.03 × 1,432,845,629.87
  4. Step 4: Simplify right side
    2,638,514,922.48x = 5,217,186,534,698,373,120
  5. Step 5: Solve for x
    x = 5,217,186,534,698,373,120/2,638,514,922.48
  6. Step 6: Final answer
    x = 1,977,319,320.90

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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.