Home / 1,443,622,405.40-2,165,433,608.10-523,528,760.60

Finding the Fourth Proportional to 1,443,622,405.40, 2,165,433,608.10 and 523,528,760.60

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Solution

The fourth proportional to 1,443,622,405.40, 2,165,433,608.10 and 523,528,760.60 is: 785,293,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,622,405.40 : 2,165,433,608.10 = 523,528,760.60 : x
  2. Step 2: Convert to fraction form
    1,443,622,405.40/2,165,433,608.10 = 523,528,760.60/x
  3. Step 3: Cross multiply
    1,443,622,405.40x = 2,165,433,608.10 × 523,528,760.60
  4. Step 4: Simplify right side
    1,443,622,405.40x = 1,133,666,773,010,179,072
  5. Step 5: Solve for x
    x = 1,133,666,773,010,179,072/1,443,622,405.40
  6. Step 6: Final answer
    x = 785,293,140.90

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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.