Home / 1,363,781,485.80-1,881,972,628.38-862,260,220.44

Finding the Fourth Proportional to 1,363,781,485.80, 1,881,972,628.38 and 862,260,220.44

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Solution

The fourth proportional to 1,363,781,485.80, 1,881,972,628.38 and 862,260,220.44 is: 1,189,890,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,781,485.80 : 1,881,972,628.38 = 862,260,220.44 : x
  2. Step 2: Convert to fraction form
    1,363,781,485.80/1,881,972,628.38 = 862,260,220.44/x
  3. Step 3: Cross multiply
    1,363,781,485.80x = 1,881,972,628.38 × 862,260,220.44
  4. Step 4: Simplify right side
    1,363,781,485.80x = 1,622,750,133,408,985,088
  5. Step 5: Solve for x
    x = 1,622,750,133,408,985,088/1,363,781,485.80
  6. Step 6: Final answer
    x = 1,189,890,132.92

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Double scale
Find fourth proportional to 1,363,781,486.80, 1,881,972,629.76 and 862,260,221.44
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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.