Home / 1,601,563,343.40-2,402,345,015.10-1,257,577,986.60

Finding the Fourth Proportional to 1,601,563,343.40, 2,402,345,015.10 and 1,257,577,986.60

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Solution

The fourth proportional to 1,601,563,343.40, 2,402,345,015.10 and 1,257,577,986.60 is: 1,886,366,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,563,343.40 : 2,402,345,015.10 = 1,257,577,986.60 : x
  2. Step 2: Convert to fraction form
    1,601,563,343.40/2,402,345,015.10 = 1,257,577,986.60/x
  3. Step 3: Cross multiply
    1,601,563,343.40x = 2,402,345,015.10 × 1,257,577,986.60
  4. Step 4: Simplify right side
    1,601,563,343.40x = 3,021,136,207,208,004,096
  5. Step 5: Solve for x
    x = 3,021,136,207,208,004,096/1,601,563,343.40
  6. Step 6: Final answer
    x = 1,886,366,979.90

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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.