Home / 1,296,967,047.39-1,945,652,124.99-435,525,593.31

Finding the Fourth Proportional to 1,296,967,047.39, 1,945,652,124.99 and 435,525,593.31

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Solution

The fourth proportional to 1,296,967,047.39, 1,945,652,124.99 and 435,525,593.31 is: 653,356,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,967,047.39 : 1,945,652,124.99 = 435,525,593.31 : x
  2. Step 2: Convert to fraction form
    1,296,967,047.39/1,945,652,124.99 = 435,525,593.31/x
  3. Step 3: Cross multiply
    1,296,967,047.39x = 1,945,652,124.99 × 435,525,593.31
  4. Step 4: Simplify right side
    1,296,967,047.39x = 847,381,296,111,132,032
  5. Step 5: Solve for x
    x = 847,381,296,111,132,032/1,296,967,047.39
  6. Step 6: Final answer
    x = 653,356,072.40

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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.