Home / 1,049,271,628.92-1,574,452,156.56-427,942,698.16

Finding the Fourth Proportional to 1,049,271,628.92, 1,574,452,156.56 and 427,942,698.16

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Solution

The fourth proportional to 1,049,271,628.92, 1,574,452,156.56 and 427,942,698.16 is: 642,136,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,271,628.92 : 1,574,452,156.56 = 427,942,698.16 : x
  2. Step 2: Convert to fraction form
    1,049,271,628.92/1,574,452,156.56 = 427,942,698.16/x
  3. Step 3: Cross multiply
    1,049,271,628.92x = 1,574,452,156.56 × 427,942,698.16
  4. Step 4: Simplify right side
    1,049,271,628.92x = 673,775,304,002,117,120
  5. Step 5: Solve for x
    x = 673,775,304,002,117,120/1,049,271,628.92
  6. Step 6: Final answer
    x = 642,136,207.09

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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.