Home / 1,381,365,447,664.80-1,906,156,389,646.40-764,054,879,467.35

Finding the Fourth Proportional to 1,381,365,447,664.80, 1,906,156,389,646.40 and 764,054,879,467.35

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Solution

The fourth proportional to 1,381,365,447,664.80, 1,906,156,389,646.40 and 764,054,879,467.35 is: 1,054,324,974,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,365,447,664.80 : 1,906,156,389,646.40 = 764,054,879,467.35 : x
  2. Step 2: Convert to fraction form
    1,381,365,447,664.80/1,906,156,389,646.40 = 764,054,879,467.35/x
  3. Step 3: Cross multiply
    1,381,365,447,664.80x = 1,906,156,389,646.40 × 764,054,879,467.35
  4. Step 4: Simplify right side
    1,381,365,447,664.80x = 1,456,408,090,537,199,155,544,064
  5. Step 5: Solve for x
    x = 1,456,408,090,537,199,155,544,064/1,381,365,447,664.80
  6. Step 6: Final answer
    x = 1,054,324,974,610.64

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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.