Home / 1,433,285,640.79-1,977,808,028.07-798,158,139.73

Finding the Fourth Proportional to 1,433,285,640.79, 1,977,808,028.07 and 798,158,139.73

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Solution

The fourth proportional to 1,433,285,640.79, 1,977,808,028.07 and 798,158,139.73 is: 1,101,387,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,285,640.79 : 1,977,808,028.07 = 798,158,139.73 : x
  2. Step 2: Convert to fraction form
    1,433,285,640.79/1,977,808,028.07 = 798,158,139.73/x
  3. Step 3: Cross multiply
    1,433,285,640.79x = 1,977,808,028.07 × 798,158,139.73
  4. Step 4: Simplify right side
    1,433,285,640.79x = 1,578,603,576,427,410,688
  5. Step 5: Solve for x
    x = 1,578,603,576,427,410,688/1,433,285,640.79
  6. Step 6: Final answer
    x = 1,101,387,979.83

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Double scale
Find fourth proportional to 1,433,285,641.79, 1,977,808,029.45 and 798,158,140.73
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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.