Home / 1,493,406,296.70-2,238,196,257.45-1,328,872,163.10

Finding the Fourth Proportional to 1,493,406,296.70, 2,238,196,257.45 and 1,328,872,163.10

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Solution

The fourth proportional to 1,493,406,296.70, 2,238,196,257.45 and 1,328,872,163.10 is: 1,991,605,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,406,296.70 : 2,238,196,257.45 = 1,328,872,163.10 : x
  2. Step 2: Convert to fraction form
    1,493,406,296.70/2,238,196,257.45 = 1,328,872,163.10/x
  3. Step 3: Cross multiply
    1,493,406,296.70x = 2,238,196,257.45 × 1,328,872,163.10
  4. Step 4: Simplify right side
    1,493,406,296.70x = 2,974,276,702,079,905,280
  5. Step 5: Solve for x
    x = 2,974,276,702,079,905,280/1,493,406,296.70
  6. Step 6: Final answer
    x = 1,991,605,840.05

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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.