Home / 1,547,158,338.70-2,315,635,674.45-1,087,993,314.70

Finding the Fourth Proportional to 1,547,158,338.70, 2,315,635,674.45 and 1,087,993,314.70

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Solution

The fourth proportional to 1,547,158,338.70, 2,315,635,674.45 and 1,087,993,314.70 is: 1,628,402,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,158,338.70 : 2,315,635,674.45 = 1,087,993,314.70 : x
  2. Step 2: Convert to fraction form
    1,547,158,338.70/2,315,635,674.45 = 1,087,993,314.70/x
  3. Step 3: Cross multiply
    1,547,158,338.70x = 2,315,635,674.45 × 1,087,993,314.70
  4. Step 4: Simplify right side
    1,547,158,338.70x = 2,519,396,133,082,425,344
  5. Step 5: Solve for x
    x = 2,519,396,133,082,425,344/1,547,158,338.70
  6. Step 6: Final answer
    x = 1,628,402,258.56

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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.