Home / 645,624,255.40-968,436,383.10-595,739,660.20

Finding the Fourth Proportional to 645,624,255.40, 968,436,383.10 and 595,739,660.20

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Solution

The fourth proportional to 645,624,255.40, 968,436,383.10 and 595,739,660.20 is: 893,609,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,624,255.40 : 968,436,383.10 = 595,739,660.20 : x
  2. Step 2: Convert to fraction form
    645,624,255.40/968,436,383.10 = 595,739,660.20/x
  3. Step 3: Cross multiply
    645,624,255.40x = 968,436,383.10 × 595,739,660.20
  4. Step 4: Simplify right side
    645,624,255.40x = 576,935,961,793,311,104
  5. Step 5: Solve for x
    x = 576,935,961,793,311,104/645,624,255.40
  6. Step 6: Final answer
    x = 893,609,490.30

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Half scale
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Double scale
Find fourth proportional to 645,624,256.40, 968,436,384.60 and 595,739,661.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.