Home / 726,625,424.64-1,004,054,754.44-517,418,362.20

Finding the Fourth Proportional to 726,625,424.64, 1,004,054,754.44 and 517,418,362.20

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Solution

The fourth proportional to 726,625,424.64, 1,004,054,754.44 and 517,418,362.20 is: 714,971,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,625,424.64 : 1,004,054,754.44 = 517,418,362.20 : x
  2. Step 2: Convert to fraction form
    726,625,424.64/1,004,054,754.44 = 517,418,362.20/x
  3. Step 3: Cross multiply
    726,625,424.64x = 1,004,054,754.44 × 517,418,362.20
  4. Step 4: Simplify right side
    726,625,424.64x = 519,516,366,601,467,968
  5. Step 5: Solve for x
    x = 519,516,366,601,467,968/726,625,424.64
  6. Step 6: Final answer
    x = 714,971,357.99

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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.