Home / 1,030,971,417.92-1,422,744,241.38-561,078,371.60

Finding the Fourth Proportional to 1,030,971,417.92, 1,422,744,241.38 and 561,078,371.60

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Solution

The fourth proportional to 1,030,971,417.92, 1,422,744,241.38 and 561,078,371.60 is: 774,290,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,971,417.92 : 1,422,744,241.38 = 561,078,371.60 : x
  2. Step 2: Convert to fraction form
    1,030,971,417.92/1,422,744,241.38 = 561,078,371.60/x
  3. Step 3: Cross multiply
    1,030,971,417.92x = 1,422,744,241.38 × 561,078,371.60
  4. Step 4: Simplify right side
    1,030,971,417.92x = 798,271,022,156,767,872
  5. Step 5: Solve for x
    x = 798,271,022,156,767,872/1,030,971,417.92
  6. Step 6: Final answer
    x = 774,290,158.08

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Double scale
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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.