Home / 843,918,404.80-1,265,877,607.20-828,801,860.80

Finding the Fourth Proportional to 843,918,404.80, 1,265,877,607.20 and 828,801,860.80

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Solution

The fourth proportional to 843,918,404.80, 1,265,877,607.20 and 828,801,860.80 is: 1,243,202,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,918,404.80 : 1,265,877,607.20 = 828,801,860.80 : x
  2. Step 2: Convert to fraction form
    843,918,404.80/1,265,877,607.20 = 828,801,860.80/x
  3. Step 3: Cross multiply
    843,918,404.80x = 1,265,877,607.20 × 828,801,860.80
  4. Step 4: Simplify right side
    843,918,404.80x = 1,049,161,716,392,411,520
  5. Step 5: Solve for x
    x = 1,049,161,716,392,411,520/843,918,404.80
  6. Step 6: Final answer
    x = 1,243,202,791.20

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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.