Home / 1,042,472,168.19-1,438,639,685.72-613,339,412.55

Finding the Fourth Proportional to 1,042,472,168.19, 1,438,639,685.72 and 613,339,412.55

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Solution

The fourth proportional to 1,042,472,168.19, 1,438,639,685.72 and 613,339,412.55 is: 846,424,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,472,168.19 : 1,438,639,685.72 = 613,339,412.55 : x
  2. Step 2: Convert to fraction form
    1,042,472,168.19/1,438,639,685.72 = 613,339,412.55/x
  3. Step 3: Cross multiply
    1,042,472,168.19x = 1,438,639,685.72 × 613,339,412.55
  4. Step 4: Simplify right side
    1,042,472,168.19x = 882,374,419,710,621,312
  5. Step 5: Solve for x
    x = 882,374,419,710,621,312/1,042,472,168.19
  6. Step 6: Final answer
    x = 846,424,918.22

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.