Home / 1,621,282,196.21-2,431,049,172.28-874,698,133.01

Finding the Fourth Proportional to 1,621,282,196.21, 2,431,049,172.28 and 874,698,133.01

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Solution

The fourth proportional to 1,621,282,196.21, 2,431,049,172.28 and 874,698,133.01 is: 1,311,575,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,282,196.21 : 2,431,049,172.28 = 874,698,133.01 : x
  2. Step 2: Convert to fraction form
    1,621,282,196.21/2,431,049,172.28 = 874,698,133.01/x
  3. Step 3: Cross multiply
    1,621,282,196.21x = 2,431,049,172.28 × 874,698,133.01
  4. Step 4: Simplify right side
    1,621,282,196.21x = 2,126,434,172,234,479,872
  5. Step 5: Solve for x
    x = 2,126,434,172,234,479,872/1,621,282,196.21
  6. Step 6: Final answer
    x = 1,311,575,601.84

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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.