Home / 1,148,645,335.82-1,723,402,235.27-449,637,039.60

Finding the Fourth Proportional to 1,148,645,335.82, 1,723,402,235.27 and 449,637,039.60

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Solution

The fourth proportional to 1,148,645,335.82, 1,723,402,235.27 and 449,637,039.60 is: 674,625,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,645,335.82 : 1,723,402,235.27 = 449,637,039.60 : x
  2. Step 2: Convert to fraction form
    1,148,645,335.82/1,723,402,235.27 = 449,637,039.60/x
  3. Step 3: Cross multiply
    1,148,645,335.82x = 1,723,402,235.27 × 449,637,039.60
  4. Step 4: Simplify right side
    1,148,645,335.82x = 774,905,479,101,486,848
  5. Step 5: Solve for x
    x = 774,905,479,101,486,848/1,148,645,335.82
  6. Step 6: Final answer
    x = 674,625,539.27

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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.