Home / 1,296,967,043.25-1,945,652,118.80-435,525,589.17

Finding the Fourth Proportional to 1,296,967,043.25, 1,945,652,118.80 and 435,525,589.17

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Solution

The fourth proportional to 1,296,967,043.25, 1,945,652,118.80 and 435,525,589.17 is: 653,356,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,967,043.25 : 1,945,652,118.80 = 435,525,589.17 : x
  2. Step 2: Convert to fraction form
    1,296,967,043.25/1,945,652,118.80 = 435,525,589.17/x
  3. Step 3: Cross multiply
    1,296,967,043.25x = 1,945,652,118.80 × 435,525,589.17
  4. Step 4: Simplify right side
    1,296,967,043.25x = 847,381,285,358,051,328
  5. Step 5: Solve for x
    x = 847,381,285,358,051,328/1,296,967,043.25
  6. Step 6: Final answer
    x = 653,356,066.19

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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.