Home / 602,431,602.39-899,590,619.79-491,986,370.25

Finding the Fourth Proportional to 602,431,602.39, 899,590,619.79 and 491,986,370.25

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Solution

The fourth proportional to 602,431,602.39, 899,590,619.79 and 491,986,370.25 is: 734,666,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,431,602.39 : 899,590,619.79 = 491,986,370.25 : x
  2. Step 2: Convert to fraction form
    602,431,602.39/899,590,619.79 = 491,986,370.25/x
  3. Step 3: Cross multiply
    602,431,602.39x = 899,590,619.79 × 491,986,370.25
  4. Step 4: Simplify right side
    602,431,602.39x = 442,586,323,741,429,888
  5. Step 5: Solve for x
    x = 442,586,323,741,429,888/602,431,602.39
  6. Step 6: Final answer
    x = 734,666,511.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.