Home / 1,091,369,765.40-1,637,293,796.55-538,936,845.90

Finding the Fourth Proportional to 1,091,369,765.40, 1,637,293,796.55 and 538,936,845.90

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Solution

The fourth proportional to 1,091,369,765.40, 1,637,293,796.55 and 538,936,845.90 is: 808,523,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,369,765.40 : 1,637,293,796.55 = 538,936,845.90 : x
  2. Step 2: Convert to fraction form
    1,091,369,765.40/1,637,293,796.55 = 538,936,845.90/x
  3. Step 3: Cross multiply
    1,091,369,765.40x = 1,637,293,796.55 × 538,936,845.90
  4. Step 4: Simplify right side
    1,091,369,765.40x = 882,397,954,524,293,248
  5. Step 5: Solve for x
    x = 882,397,954,524,293,248/1,091,369,765.40
  6. Step 6: Final answer
    x = 808,523,364.40

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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.