Home / 353,058,418.69-487,225,100.13-194,306,820.01

Finding the Fourth Proportional to 353,058,418.69, 487,225,100.13 and 194,306,820.01

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Solution

The fourth proportional to 353,058,418.69, 487,225,100.13 and 194,306,820.01 is: 268,145,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,058,418.69 : 487,225,100.13 = 194,306,820.01 : x
  2. Step 2: Convert to fraction form
    353,058,418.69/487,225,100.13 = 194,306,820.01/x
  3. Step 3: Cross multiply
    353,058,418.69x = 487,225,100.13 × 194,306,820.01
  4. Step 4: Simplify right side
    353,058,418.69x = 94,671,159,833,367,424
  5. Step 5: Solve for x
    x = 94,671,159,833,367,424/353,058,418.69
  6. Step 6: Final answer
    x = 268,145,878.48

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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.