Home / 664,345,935.60-996,518,903.40-631,089,538.80

Finding the Fourth Proportional to 664,345,935.60, 996,518,903.40 and 631,089,538.80

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Solution

The fourth proportional to 664,345,935.60, 996,518,903.40 and 631,089,538.80 is: 946,634,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,345,935.60 : 996,518,903.40 = 631,089,538.80 : x
  2. Step 2: Convert to fraction form
    664,345,935.60/996,518,903.40 = 631,089,538.80/x
  3. Step 3: Cross multiply
    664,345,935.60x = 996,518,903.40 × 631,089,538.80
  4. Step 4: Simplify right side
    664,345,935.60x = 628,892,655,152,187,648
  5. Step 5: Solve for x
    x = 628,892,655,152,187,648/664,345,935.60
  6. Step 6: Final answer
    x = 946,634,308.20

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Double scale
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Similar ratio
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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.