Home / 1,396,965,273.40-2,095,447,910.10-476,871,628.60

Finding the Fourth Proportional to 1,396,965,273.40, 2,095,447,910.10 and 476,871,628.60

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Solution

The fourth proportional to 1,396,965,273.40, 2,095,447,910.10 and 476,871,628.60 is: 715,307,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,965,273.40 : 2,095,447,910.10 = 476,871,628.60 : x
  2. Step 2: Convert to fraction form
    1,396,965,273.40/2,095,447,910.10 = 476,871,628.60/x
  3. Step 3: Cross multiply
    1,396,965,273.40x = 2,095,447,910.10 × 476,871,628.60
  4. Step 4: Simplify right side
    1,396,965,273.40x = 999,259,657,535,853,440
  5. Step 5: Solve for x
    x = 999,259,657,535,853,440/1,396,965,273.40
  6. Step 6: Final answer
    x = 715,307,442.90

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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.