Home / 734,543,999.10-1,101,815,998.65-638,884,619.10

Finding the Fourth Proportional to 734,543,999.10, 1,101,815,998.65 and 638,884,619.10

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Solution

The fourth proportional to 734,543,999.10, 1,101,815,998.65 and 638,884,619.10 is: 958,326,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,543,999.10 : 1,101,815,998.65 = 638,884,619.10 : x
  2. Step 2: Convert to fraction form
    734,543,999.10/1,101,815,998.65 = 638,884,619.10/x
  3. Step 3: Cross multiply
    734,543,999.10x = 1,101,815,998.65 × 638,884,619.10
  4. Step 4: Simplify right side
    734,543,999.10x = 703,933,294,615,791,488
  5. Step 5: Solve for x
    x = 703,933,294,615,791,488/734,543,999.10
  6. Step 6: Final answer
    x = 958,326,928.65

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Double scale
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Similar ratio
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1.5x scale

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.