Home / 911,043,678.33-1,257,241,488.54-493,356,683.97

Finding the Fourth Proportional to 911,043,678.33, 1,257,241,488.54 and 493,356,683.97

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Solution

The fourth proportional to 911,043,678.33, 1,257,241,488.54 and 493,356,683.97 is: 680,832,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,043,678.33 : 1,257,241,488.54 = 493,356,683.97 : x
  2. Step 2: Convert to fraction form
    911,043,678.33/1,257,241,488.54 = 493,356,683.97/x
  3. Step 3: Cross multiply
    911,043,678.33x = 1,257,241,488.54 × 493,356,683.97
  4. Step 4: Simplify right side
    911,043,678.33x = 620,268,491,735,601,152
  5. Step 5: Solve for x
    x = 620,268,491,735,601,152/911,043,678.33
  6. Step 6: Final answer
    x = 680,832,880.45

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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.