Home / 1,491,036,384.70-2,236,554,577.05-509,571,145.90

Finding the Fourth Proportional to 1,491,036,384.70, 2,236,554,577.05 and 509,571,145.90

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Solution

The fourth proportional to 1,491,036,384.70, 2,236,554,577.05 and 509,571,145.90 is: 764,356,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,036,384.70 : 2,236,554,577.05 = 509,571,145.90 : x
  2. Step 2: Convert to fraction form
    1,491,036,384.70/2,236,554,577.05 = 509,571,145.90/x
  3. Step 3: Cross multiply
    1,491,036,384.70x = 2,236,554,577.05 × 509,571,145.90
  4. Step 4: Simplify right side
    1,491,036,384.70x = 1,139,683,678,695,258,368
  5. Step 5: Solve for x
    x = 1,139,683,678,695,258,368/1,491,036,384.70
  6. Step 6: Final answer
    x = 764,356,718.85

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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.