Home / 973,979,187.09-1,344,055,255.94-527,932,973.49

Finding the Fourth Proportional to 973,979,187.09, 1,344,055,255.94 and 527,932,973.49

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Solution

The fourth proportional to 973,979,187.09, 1,344,055,255.94 and 527,932,973.49 is: 728,527,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,979,187.09 : 1,344,055,255.94 = 527,932,973.49 : x
  2. Step 2: Convert to fraction form
    973,979,187.09/1,344,055,255.94 = 527,932,973.49/x
  3. Step 3: Cross multiply
    973,979,187.09x = 1,344,055,255.94 × 527,932,973.49
  4. Step 4: Simplify right side
    973,979,187.09x = 709,571,087,800,627,456
  5. Step 5: Solve for x
    x = 709,571,087,800,627,456/973,979,187.09
  6. Step 6: Final answer
    x = 728,527,978.02

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Double scale
Find fourth proportional to 973,979,188.09, 1,344,055,257.31 and 527,932,974.49
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1.5x scale

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.