Home / 894,194,172.92-1,233,988,017.96-497,708,653.70

Finding the Fourth Proportional to 894,194,172.92, 1,233,988,017.96 and 497,708,653.70

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Solution

The fourth proportional to 894,194,172.92, 1,233,988,017.96 and 497,708,653.70 is: 686,837,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,194,172.92 : 1,233,988,017.96 = 497,708,653.70 : x
  2. Step 2: Convert to fraction form
    894,194,172.92/1,233,988,017.96 = 497,708,653.70/x
  3. Step 3: Cross multiply
    894,194,172.92x = 1,233,988,017.96 × 497,708,653.70
  4. Step 4: Simplify right side
    894,194,172.92x = 614,166,515,100,803,072
  5. Step 5: Solve for x
    x = 614,166,515,100,803,072/894,194,172.92
  6. Step 6: Final answer
    x = 686,837,975.13

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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.