Home / 797,973,506.78-1,101,271,507.40-445,617,568.80

Finding the Fourth Proportional to 797,973,506.78, 1,101,271,507.40 and 445,617,568.80

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Solution

The fourth proportional to 797,973,506.78, 1,101,271,507.40 and 445,617,568.80 is: 614,990,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,973,506.78 : 1,101,271,507.40 = 445,617,568.80 : x
  2. Step 2: Convert to fraction form
    797,973,506.78/1,101,271,507.40 = 445,617,568.80/x
  3. Step 3: Cross multiply
    797,973,506.78x = 1,101,271,507.40 × 445,617,568.80
  4. Step 4: Simplify right side
    797,973,506.78x = 490,745,931,717,413,248
  5. Step 5: Solve for x
    x = 490,745,931,717,413,248/797,973,506.78
  6. Step 6: Final answer
    x = 614,990,256.63

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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.