Home / 872,783,076.70-1,204,466,156.72-476,331,510.32

Finding the Fourth Proportional to 872,783,076.70, 1,204,466,156.72 and 476,331,510.32

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Solution

The fourth proportional to 872,783,076.70, 1,204,466,156.72 and 476,331,510.32 is: 657,351,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,783,076.70 : 1,204,466,156.72 = 476,331,510.32 : x
  2. Step 2: Convert to fraction form
    872,783,076.70/1,204,466,156.72 = 476,331,510.32/x
  3. Step 3: Cross multiply
    872,783,076.70x = 1,204,466,156.72 × 476,331,510.32
  4. Step 4: Simplify right side
    872,783,076.70x = 573,725,183,559,763,392
  5. Step 5: Solve for x
    x = 573,725,183,559,763,392/872,783,076.70
  6. Step 6: Final answer
    x = 657,351,407.10

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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.