Home / 743,612,939.17-1,027,658,208.03-609,439,229.13

Finding the Fourth Proportional to 743,612,939.17, 1,027,658,208.03 and 609,439,229.13

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Solution

The fourth proportional to 743,612,939.17, 1,027,658,208.03 and 609,439,229.13 is: 842,232,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,612,939.17 : 1,027,658,208.03 = 609,439,229.13 : x
  2. Step 2: Convert to fraction form
    743,612,939.17/1,027,658,208.03 = 609,439,229.13/x
  3. Step 3: Cross multiply
    743,612,939.17x = 1,027,658,208.03 × 609,439,229.13
  4. Step 4: Simplify right side
    743,612,939.17x = 626,295,226,105,501,440
  5. Step 5: Solve for x
    x = 626,295,226,105,501,440/743,612,939.17
  6. Step 6: Final answer
    x = 842,232,824.51

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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.