Home / 872,771,680.76-1,204,424,601.30-476,294,671.26

Finding the Fourth Proportional to 872,771,680.76, 1,204,424,601.30 and 476,294,671.26

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Solution

The fourth proportional to 872,771,680.76, 1,204,424,601.30 and 476,294,671.26 is: 657,286,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,771,680.76 : 1,204,424,601.30 = 476,294,671.26 : x
  2. Step 2: Convert to fraction form
    872,771,680.76/1,204,424,601.30 = 476,294,671.26/x
  3. Step 3: Cross multiply
    872,771,680.76x = 1,204,424,601.30 × 476,294,671.26
  4. Step 4: Simplify right side
    872,771,680.76x = 573,661,019,533,640,064
  5. Step 5: Solve for x
    x = 573,661,019,533,640,064/872,771,680.76
  6. Step 6: Final answer
    x = 657,286,472.72

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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.