Home / 1,399,335,039.72-2,097,388,313.01-525,379,003.02

Finding the Fourth Proportional to 1,399,335,039.72, 2,097,388,313.01 and 525,379,003.02

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Solution

The fourth proportional to 1,399,335,039.72, 2,097,388,313.01 and 525,379,003.02 is: 787,462,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,335,039.72 : 2,097,388,313.01 = 525,379,003.02 : x
  2. Step 2: Convert to fraction form
    1,399,335,039.72/2,097,388,313.01 = 525,379,003.02/x
  3. Step 3: Cross multiply
    1,399,335,039.72x = 2,097,388,313.01 × 525,379,003.02
  4. Step 4: Simplify right side
    1,399,335,039.72x = 1,101,923,780,834,993,408
  5. Step 5: Solve for x
    x = 1,101,923,780,834,993,408/1,399,335,039.72
  6. Step 6: Final answer
    x = 787,462,437.20

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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.