Home / 846,374,428.80-1,269,561,643.20-514,914,677.10

Finding the Fourth Proportional to 846,374,428.80, 1,269,561,643.20 and 514,914,677.10

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Solution

The fourth proportional to 846,374,428.80, 1,269,561,643.20 and 514,914,677.10 is: 772,372,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,374,428.80 : 1,269,561,643.20 = 514,914,677.10 : x
  2. Step 2: Convert to fraction form
    846,374,428.80/1,269,561,643.20 = 514,914,677.10/x
  3. Step 3: Cross multiply
    846,374,428.80x = 1,269,561,643.20 × 514,914,677.10
  4. Step 4: Simplify right side
    846,374,428.80x = 653,715,923,566,873,472
  5. Step 5: Solve for x
    x = 653,715,923,566,873,472/846,374,428.80
  6. Step 6: Final answer
    x = 772,372,015.65

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Double scale
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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.