Home / 1,090,708,993,414.40-1,635,031,534,051.20-643,872,014,931.20

Finding the Fourth Proportional to 1,090,708,993,414.40, 1,635,031,534,051.20 and 643,872,014,931.20

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Solution

The fourth proportional to 1,090,708,993,414.40, 1,635,031,534,051.20 and 643,872,014,931.20 is: 965,198,833,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,708,993,414.40 : 1,635,031,534,051.20 = 643,872,014,931.20 : x
  2. Step 2: Convert to fraction form
    1,090,708,993,414.40/1,635,031,534,051.20 = 643,872,014,931.20/x
  3. Step 3: Cross multiply
    1,090,708,993,414.40x = 1,635,031,534,051.20 × 643,872,014,931.20
  4. Step 4: Simplify right side
    1,090,708,993,414.40x = 1,052,751,048,305,597,038,460,928
  5. Step 5: Solve for x
    x = 1,052,751,048,305,597,038,460,928/1,090,708,993,414.40
  6. Step 6: Final answer
    x = 965,198,833,659.58

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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.