Home / 500,280,185.67-690,386,721.66-277,276,264.52

Finding the Fourth Proportional to 500,280,185.67, 690,386,721.66 and 277,276,264.52

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Solution

The fourth proportional to 500,280,185.67, 690,386,721.66 and 277,276,264.52 is: 382,641,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,280,185.67 : 690,386,721.66 = 277,276,264.52 : x
  2. Step 2: Convert to fraction form
    500,280,185.67/690,386,721.66 = 277,276,264.52/x
  3. Step 3: Cross multiply
    500,280,185.67x = 690,386,721.66 × 277,276,264.52
  4. Step 4: Simplify right side
    500,280,185.67x = 191,427,851,256,093,760
  5. Step 5: Solve for x
    x = 191,427,851,256,093,760/500,280,185.67
  6. Step 6: Final answer
    x = 382,641,281.30

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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.