Home / 697,248,769.20-1,045,873,153.80-425,150,977.20

Finding the Fourth Proportional to 697,248,769.20, 1,045,873,153.80 and 425,150,977.20

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Solution

The fourth proportional to 697,248,769.20, 1,045,873,153.80 and 425,150,977.20 is: 637,726,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,248,769.20 : 1,045,873,153.80 = 425,150,977.20 : x
  2. Step 2: Convert to fraction form
    697,248,769.20/1,045,873,153.80 = 425,150,977.20/x
  3. Step 3: Cross multiply
    697,248,769.20x = 1,045,873,153.80 × 425,150,977.20
  4. Step 4: Simplify right side
    697,248,769.20x = 444,653,993,365,315,840
  5. Step 5: Solve for x
    x = 444,653,993,365,315,840/697,248,769.20
  6. Step 6: Final answer
    x = 637,726,465.80

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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.