Home / 705,672,074.80-1,058,508,112.20-631,695,487.60

Finding the Fourth Proportional to 705,672,074.80, 1,058,508,112.20 and 631,695,487.60

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Solution

The fourth proportional to 705,672,074.80, 1,058,508,112.20 and 631,695,487.60 is: 947,543,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,672,074.80 : 1,058,508,112.20 = 631,695,487.60 : x
  2. Step 2: Convert to fraction form
    705,672,074.80/1,058,508,112.20 = 631,695,487.60/x
  3. Step 3: Cross multiply
    705,672,074.80x = 1,058,508,112.20 × 631,695,487.60
  4. Step 4: Simplify right side
    705,672,074.80x = 668,654,798,064,734,592
  5. Step 5: Solve for x
    x = 668,654,798,064,734,592/705,672,074.80
  6. Step 6: Final answer
    x = 947,543,231.40

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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.