Home / 1,374,578,644.73-1,896,980,995.06-810,087,350.81

Finding the Fourth Proportional to 1,374,578,644.73, 1,896,980,995.06 and 810,087,350.81

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Solution

The fourth proportional to 1,374,578,644.73, 1,896,980,995.06 and 810,087,350.81 is: 1,117,957,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,644.73 : 1,896,980,995.06 = 810,087,350.81 : x
  2. Step 2: Convert to fraction form
    1,374,578,644.73/1,896,980,995.06 = 810,087,350.81/x
  3. Step 3: Cross multiply
    1,374,578,644.73x = 1,896,980,995.06 × 810,087,350.81
  4. Step 4: Simplify right side
    1,374,578,644.73x = 1,536,720,308,813,562,880
  5. Step 5: Solve for x
    x = 1,536,720,308,813,562,880/1,374,578,644.73
  6. Step 6: Final answer
    x = 1,117,957,357.12

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1.5x scale

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.