Home / 1,296,967,045.75-1,945,652,122.55-435,525,591.67

Finding the Fourth Proportional to 1,296,967,045.75, 1,945,652,122.55 and 435,525,591.67

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Solution

The fourth proportional to 1,296,967,045.75, 1,945,652,122.55 and 435,525,591.67 is: 653,356,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,967,045.75 : 1,945,652,122.55 = 435,525,591.67 : x
  2. Step 2: Convert to fraction form
    1,296,967,045.75/1,945,652,122.55 = 435,525,591.67/x
  3. Step 3: Cross multiply
    1,296,967,045.75x = 1,945,652,122.55 × 435,525,591.67
  4. Step 4: Simplify right side
    1,296,967,045.75x = 847,381,291,857,580,160
  5. Step 5: Solve for x
    x = 847,381,291,857,580,160/1,296,967,045.75
  6. Step 6: Final answer
    x = 653,356,069.94

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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.