Home / 1,485,111,897,969.70-2,227,667,846,954.50-425,129,440,065.70

Finding the Fourth Proportional to 1,485,111,897,969.70, 2,227,667,846,954.50 and 425,129,440,065.70

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Solution

The fourth proportional to 1,485,111,897,969.70, 2,227,667,846,954.50 and 425,129,440,065.70 is: 637,694,160,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,111,897,969.70 : 2,227,667,846,954.50 = 425,129,440,065.70 : x
  2. Step 2: Convert to fraction form
    1,485,111,897,969.70/2,227,667,846,954.50 = 425,129,440,065.70/x
  3. Step 3: Cross multiply
    1,485,111,897,969.70x = 2,227,667,846,954.50 × 425,129,440,065.70
  4. Step 4: Simplify right side
    1,485,111,897,969.70x = 947,047,184,428,130,059,157,504
  5. Step 5: Solve for x
    x = 947,047,184,428,130,059,157,504/1,485,111,897,969.70
  6. Step 6: Final answer
    x = 637,694,160,098.54

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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.