Home / 705,672,002.80-1,058,508,004.20-631,695,415.60

Finding the Fourth Proportional to 705,672,002.80, 1,058,508,004.20 and 631,695,415.60

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Solution

The fourth proportional to 705,672,002.80, 1,058,508,004.20 and 631,695,415.60 is: 947,543,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,672,002.80 : 1,058,508,004.20 = 631,695,415.60 : x
  2. Step 2: Convert to fraction form
    705,672,002.80/1,058,508,004.20 = 631,695,415.60/x
  3. Step 3: Cross multiply
    705,672,002.80x = 1,058,508,004.20 × 631,695,415.60
  4. Step 4: Simplify right side
    705,672,002.80x = 668,654,653,629,045,632
  5. Step 5: Solve for x
    x = 668,654,653,629,045,632/705,672,002.80
  6. Step 6: Final answer
    x = 947,543,123.40

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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.