Home / 657,075,503.60-985,613,255.40-398,582,601.20

Finding the Fourth Proportional to 657,075,503.60, 985,613,255.40 and 398,582,601.20

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Solution

The fourth proportional to 657,075,503.60, 985,613,255.40 and 398,582,601.20 is: 597,873,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,075,503.60 : 985,613,255.40 = 398,582,601.20 : x
  2. Step 2: Convert to fraction form
    657,075,503.60/985,613,255.40 = 398,582,601.20/x
  3. Step 3: Cross multiply
    657,075,503.60x = 985,613,255.40 × 398,582,601.20
  4. Step 4: Simplify right side
    657,075,503.60x = 392,848,295,114,531,904
  5. Step 5: Solve for x
    x = 392,848,295,114,531,904/657,075,503.60
  6. Step 6: Final answer
    x = 597,873,901.80

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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.