Home / 863,268,115.84-1,191,237,983.04-486,903,963.52

Finding the Fourth Proportional to 863,268,115.84, 1,191,237,983.04 and 486,903,963.52

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Solution

The fourth proportional to 863,268,115.84, 1,191,237,983.04 and 486,903,963.52 is: 671,886,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,268,115.84 : 1,191,237,983.04 = 486,903,963.52 : x
  2. Step 2: Convert to fraction form
    863,268,115.84/1,191,237,983.04 = 486,903,963.52/x
  3. Step 3: Cross multiply
    863,268,115.84x = 1,191,237,983.04 × 486,903,963.52
  4. Step 4: Simplify right side
    863,268,115.84x = 580,018,495,437,746,560
  5. Step 5: Solve for x
    x = 580,018,495,437,746,560/863,268,115.84
  6. Step 6: Final answer
    x = 671,886,850.44

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Double scale
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1.5x scale

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.