Home / 946,730,979.60-1,420,096,469.40-558,739,683.60

Finding the Fourth Proportional to 946,730,979.60, 1,420,096,469.40 and 558,739,683.60

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Solution

The fourth proportional to 946,730,979.60, 1,420,096,469.40 and 558,739,683.60 is: 838,109,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,730,979.60 : 1,420,096,469.40 = 558,739,683.60 : x
  2. Step 2: Convert to fraction form
    946,730,979.60/1,420,096,469.40 = 558,739,683.60/x
  3. Step 3: Cross multiply
    946,730,979.60x = 1,420,096,469.40 × 558,739,683.60
  4. Step 4: Simplify right side
    946,730,979.60x = 793,464,251,994,033,152
  5. Step 5: Solve for x
    x = 793,464,251,994,033,152/946,730,979.60
  6. Step 6: Final answer
    x = 838,109,525.40

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Double scale
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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.