Home / 1,058,790,751.28-1,588,128,652.38-321,803,195.39

Finding the Fourth Proportional to 1,058,790,751.28, 1,588,128,652.38 and 321,803,195.39

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Solution

The fourth proportional to 1,058,790,751.28, 1,588,128,652.38 and 321,803,195.39 is: 482,687,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,790,751.28 : 1,588,128,652.38 = 321,803,195.39 : x
  2. Step 2: Convert to fraction form
    1,058,790,751.28/1,588,128,652.38 = 321,803,195.39/x
  3. Step 3: Cross multiply
    1,058,790,751.28x = 1,588,128,652.38 × 321,803,195.39
  4. Step 4: Simplify right side
    1,058,790,751.28x = 511,064,875,018,357,888
  5. Step 5: Solve for x
    x = 511,064,875,018,357,888/1,058,790,751.28
  6. Step 6: Final answer
    x = 482,687,324.58

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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.