Home / 1,090,260,017.80-1,635,390,026.70-654,903,550.60

Finding the Fourth Proportional to 1,090,260,017.80, 1,635,390,026.70 and 654,903,550.60

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Solution

The fourth proportional to 1,090,260,017.80, 1,635,390,026.70 and 654,903,550.60 is: 982,355,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,260,017.80 : 1,635,390,026.70 = 654,903,550.60 : x
  2. Step 2: Convert to fraction form
    1,090,260,017.80/1,635,390,026.70 = 654,903,550.60/x
  3. Step 3: Cross multiply
    1,090,260,017.80x = 1,635,390,026.70 × 654,903,550.60
  4. Step 4: Simplify right side
    1,090,260,017.80x = 1,071,022,735,101,658,880
  5. Step 5: Solve for x
    x = 1,071,022,735,101,658,880/1,090,260,017.80
  6. Step 6: Final answer
    x = 982,355,325.90

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Double scale
Find fourth proportional to 1,090,260,018.80, 1,635,390,028.20 and 654,903,551.60
Similar ratio
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1.5x scale

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.