Home / 834,979,285.27-1,152,239,844.15-463,725,231.49

Finding the Fourth Proportional to 834,979,285.27, 1,152,239,844.15 and 463,725,231.49

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Solution

The fourth proportional to 834,979,285.27, 1,152,239,844.15 and 463,725,231.49 is: 639,923,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,979,285.27 : 1,152,239,844.15 = 463,725,231.49 : x
  2. Step 2: Convert to fraction form
    834,979,285.27/1,152,239,844.15 = 463,725,231.49/x
  3. Step 3: Cross multiply
    834,979,285.27x = 1,152,239,844.15 × 463,725,231.49
  4. Step 4: Simplify right side
    834,979,285.27x = 534,322,688,460,460,352
  5. Step 5: Solve for x
    x = 534,322,688,460,460,352/834,979,285.27
  6. Step 6: Final answer
    x = 639,923,286.59

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Double scale
Find fourth proportional to 834,979,286.27, 1,152,239,845.53 and 463,725,232.49
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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.