Home / 495,442,876.80-682,703,725.86-383,252,432.52

Finding the Fourth Proportional to 495,442,876.80, 682,703,725.86 and 383,252,432.52

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Solution

The fourth proportional to 495,442,876.80, 682,703,725.86 and 383,252,432.52 is: 528,109,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,442,876.80 : 682,703,725.86 = 383,252,432.52 : x
  2. Step 2: Convert to fraction form
    495,442,876.80/682,703,725.86 = 383,252,432.52/x
  3. Step 3: Cross multiply
    495,442,876.80x = 682,703,725.86 × 383,252,432.52
  4. Step 4: Simplify right side
    495,442,876.80x = 261,647,863,626,312,224
  5. Step 5: Solve for x
    x = 261,647,863,626,312,224/495,442,876.80
  6. Step 6: Final answer
    x = 528,109,043.20

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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.