Home / 1,218,234,401,529-1,681,203,791,927.60-669,545,155,024.20

Finding the Fourth Proportional to 1,218,234,401,529, 1,681,203,791,927.60 and 669,545,155,024.20

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Solution

The fourth proportional to 1,218,234,401,529, 1,681,203,791,927.60 and 669,545,155,024.20 is: 923,994,472,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,234,401,529 : 1,681,203,791,927.60 = 669,545,155,024.20 : x
  2. Step 2: Convert to fraction form
    1,218,234,401,529/1,681,203,791,927.60 = 669,545,155,024.20/x
  3. Step 3: Cross multiply
    1,218,234,401,529x = 1,681,203,791,927.60 × 669,545,155,024.20
  4. Step 4: Simplify right side
    1,218,234,401,529x = 1,125,641,853,493,437,788,061,696
  5. Step 5: Solve for x
    x = 1,125,641,853,493,437,788,061,696/1,218,234,401,529
  6. Step 6: Final answer
    x = 923,994,472,722.70

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.