Home / 1,236,604,583.80-1,854,906,875.70-418,716,884.80

Finding the Fourth Proportional to 1,236,604,583.80, 1,854,906,875.70 and 418,716,884.80

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Solution

The fourth proportional to 1,236,604,583.80, 1,854,906,875.70 and 418,716,884.80 is: 628,075,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,604,583.80 : 1,854,906,875.70 = 418,716,884.80 : x
  2. Step 2: Convert to fraction form
    1,236,604,583.80/1,854,906,875.70 = 418,716,884.80/x
  3. Step 3: Cross multiply
    1,236,604,583.80x = 1,854,906,875.70 × 418,716,884.80
  4. Step 4: Simplify right side
    1,236,604,583.80x = 776,680,828,587,204,864
  5. Step 5: Solve for x
    x = 776,680,828,587,204,864/1,236,604,583.80
  6. Step 6: Final answer
    x = 628,075,327.20

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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.