Home / 1,428,303,154.51-2,141,605,991.18-543,053,313.43

Finding the Fourth Proportional to 1,428,303,154.51, 2,141,605,991.18 and 543,053,313.43

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Solution

The fourth proportional to 1,428,303,154.51, 2,141,605,991.18 and 543,053,313.43 is: 814,257,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,303,154.51 : 2,141,605,991.18 = 543,053,313.43 : x
  2. Step 2: Convert to fraction form
    1,428,303,154.51/2,141,605,991.18 = 543,053,313.43/x
  3. Step 3: Cross multiply
    1,428,303,154.51x = 2,141,605,991.18 × 543,053,313.43
  4. Step 4: Simplify right side
    1,428,303,154.51x = 1,163,006,229,581,637,888
  5. Step 5: Solve for x
    x = 1,163,006,229,581,637,888/1,428,303,154.51
  6. Step 6: Final answer
    x = 814,257,271.58

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Double scale
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1.5x scale

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.