Home / 511,056,574.40-766,584,861.60-511,056,574.40

Finding the Fourth Proportional to 511,056,574.40, 766,584,861.60 and 511,056,574.40

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Solution

The fourth proportional to 511,056,574.40, 766,584,861.60 and 511,056,574.40 is: 766,584,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,056,574.40 : 766,584,861.60 = 511,056,574.40 : x
  2. Step 2: Convert to fraction form
    511,056,574.40/766,584,861.60 = 511,056,574.40/x
  3. Step 3: Cross multiply
    511,056,574.40x = 766,584,861.60 × 511,056,574.40
  4. Step 4: Simplify right side
    511,056,574.40x = 391,768,233,356,194,112
  5. Step 5: Solve for x
    x = 391,768,233,356,194,112/511,056,574.40
  6. Step 6: Final answer
    x = 766,584,861.60

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Double scale
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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.