Home / 1,485,111,897,967.20-2,227,667,846,950.80-425,129,440,063.20

Finding the Fourth Proportional to 1,485,111,897,967.20, 2,227,667,846,950.80 and 425,129,440,063.20

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Solution

The fourth proportional to 1,485,111,897,967.20, 2,227,667,846,950.80 and 425,129,440,063.20 is: 637,694,160,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,111,897,967.20 : 2,227,667,846,950.80 = 425,129,440,063.20 : x
  2. Step 2: Convert to fraction form
    1,485,111,897,967.20/2,227,667,846,950.80 = 425,129,440,063.20/x
  3. Step 3: Cross multiply
    1,485,111,897,967.20x = 2,227,667,846,950.80 × 425,129,440,063.20
  4. Step 4: Simplify right side
    1,485,111,897,967.20x = 947,047,184,420,987,796,979,712
  5. Step 5: Solve for x
    x = 947,047,184,420,987,796,979,712/1,485,111,897,967.20
  6. Step 6: Final answer
    x = 637,694,160,094.80

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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.