Home / 1,159,725,032.19-1,600,420,805.42-638,204,264.19

Finding the Fourth Proportional to 1,159,725,032.19, 1,600,420,805.42 and 638,204,264.19

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Solution

The fourth proportional to 1,159,725,032.19, 1,600,420,805.42 and 638,204,264.19 is: 880,722,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,725,032.19 : 1,600,420,805.42 = 638,204,264.19 : x
  2. Step 2: Convert to fraction form
    1,159,725,032.19/1,600,420,805.42 = 638,204,264.19/x
  3. Step 3: Cross multiply
    1,159,725,032.19x = 1,600,420,805.42 × 638,204,264.19
  4. Step 4: Simplify right side
    1,159,725,032.19x = 1,021,395,382,514,247,296
  5. Step 5: Solve for x
    x = 1,021,395,382,514,247,296/1,159,725,032.19
  6. Step 6: Final answer
    x = 880,722,028.21

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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.