Home / 1,420,013,317.48-1,959,580,784.22-793,486,893.76

Finding the Fourth Proportional to 1,420,013,317.48, 1,959,580,784.22 and 793,486,893.76

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Solution

The fourth proportional to 1,420,013,317.48, 1,959,580,784.22 and 793,486,893.76 is: 1,094,990,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,013,317.48 : 1,959,580,784.22 = 793,486,893.76 : x
  2. Step 2: Convert to fraction form
    1,420,013,317.48/1,959,580,784.22 = 793,486,893.76/x
  3. Step 3: Cross multiply
    1,420,013,317.48x = 1,959,580,784.22 × 793,486,893.76
  4. Step 4: Simplify right side
    1,420,013,317.48x = 1,554,901,669,542,512,640
  5. Step 5: Solve for x
    x = 1,554,901,669,542,512,640/1,420,013,317.48
  6. Step 6: Final answer
    x = 1,094,990,906.35

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Double scale
Find fourth proportional to 1,420,013,318.48, 1,959,580,785.60 and 793,486,894.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.