Home / 620,959,284,003.20-931,438,926,004.80-514,961,038,212.80

Finding the Fourth Proportional to 620,959,284,003.20, 931,438,926,004.80 and 514,961,038,212.80

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Solution

The fourth proportional to 620,959,284,003.20, 931,438,926,004.80 and 514,961,038,212.80 is: 772,441,557,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,959,284,003.20 : 931,438,926,004.80 = 514,961,038,212.80 : x
  2. Step 2: Convert to fraction form
    620,959,284,003.20/931,438,926,004.80 = 514,961,038,212.80/x
  3. Step 3: Cross multiply
    620,959,284,003.20x = 931,438,926,004.80 × 514,961,038,212.80
  4. Step 4: Simplify right side
    620,959,284,003.20x = 479,654,756,367,247,201,009,664
  5. Step 5: Solve for x
    x = 479,654,756,367,247,201,009,664/620,959,284,003.20
  6. Step 6: Final answer
    x = 772,441,557,319.20

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Double scale
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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.