Home / 7,022,493,722.36-9,681,666,389.15-5,578,859,554.18

Finding the Fourth Proportional to 7,022,493,722.36, 9,681,666,389.15 and 5,578,859,554.18

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Solution

The fourth proportional to 7,022,493,722.36, 9,681,666,389.15 and 5,578,859,554.18 is: 7,691,378,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022,493,722.36 : 9,681,666,389.15 = 5,578,859,554.18 : x
  2. Step 2: Convert to fraction form
    7,022,493,722.36/9,681,666,389.15 = 5,578,859,554.18/x
  3. Step 3: Cross multiply
    7,022,493,722.36x = 9,681,666,389.15 × 5,578,859,554.18
  4. Step 4: Simplify right side
    7,022,493,722.36x = 54,012,657,035,453,702,144
  5. Step 5: Solve for x
    x = 54,012,657,035,453,702,144/7,022,493,722.36
  6. Step 6: Final answer
    x = 7,691,378,471.94

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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.