Home / 1,036,638,109.30-1,554,957,163.95-649,217,620.30

Finding the Fourth Proportional to 1,036,638,109.30, 1,554,957,163.95 and 649,217,620.30

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Solution

The fourth proportional to 1,036,638,109.30, 1,554,957,163.95 and 649,217,620.30 is: 973,826,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,109.30 : 1,554,957,163.95 = 649,217,620.30 : x
  2. Step 2: Convert to fraction form
    1,036,638,109.30/1,554,957,163.95 = 649,217,620.30/x
  3. Step 3: Cross multiply
    1,036,638,109.30x = 1,554,957,163.95 × 649,217,620.30
  4. Step 4: Simplify right side
    1,036,638,109.30x = 1,009,505,589,648,055,936
  5. Step 5: Solve for x
    x = 1,009,505,589,648,055,936/1,036,638,109.30
  6. Step 6: Final answer
    x = 973,826,430.45

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Half scale
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Double scale
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Similar ratio
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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.