Home / 1,458,143,927.39-2,012,243,700.62-789,088,804.67

Finding the Fourth Proportional to 1,458,143,927.39, 2,012,243,700.62 and 789,088,804.67

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Solution

The fourth proportional to 1,458,143,927.39, 2,012,243,700.62 and 789,088,804.67 is: 1,088,945,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,143,927.39 : 2,012,243,700.62 = 789,088,804.67 : x
  2. Step 2: Convert to fraction form
    1,458,143,927.39/2,012,243,700.62 = 789,088,804.67/x
  3. Step 3: Cross multiply
    1,458,143,927.39x = 2,012,243,700.62 × 789,088,804.67
  4. Step 4: Simplify right side
    1,458,143,927.39x = 1,587,838,976,426,972,928
  5. Step 5: Solve for x
    x = 1,587,838,976,426,972,928/1,458,143,927.39
  6. Step 6: Final answer
    x = 1,088,945,299.98

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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.