Home / 345,206,905.22-517,806,809.22-199,547,783.66

Finding the Fourth Proportional to 345,206,905.22, 517,806,809.22 and 199,547,783.66

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Solution

The fourth proportional to 345,206,905.22, 517,806,809.22 and 199,547,783.66 is: 299,319,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,206,905.22 : 517,806,809.22 = 199,547,783.66 : x
  2. Step 2: Convert to fraction form
    345,206,905.22/517,806,809.22 = 199,547,783.66/x
  3. Step 3: Cross multiply
    345,206,905.22x = 517,806,809.22 × 199,547,783.66
  4. Step 4: Simplify right side
    345,206,905.22x = 103,327,201,143,907,456
  5. Step 5: Solve for x
    x = 103,327,201,143,907,456/345,206,905.22
  6. Step 6: Final answer
    x = 299,319,624.21

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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.