Home / 1,042,768,852.80-1,560,122,200.80-679,971,796.80

Finding the Fourth Proportional to 1,042,768,852.80, 1,560,122,200.80 and 679,971,796.80

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Solution

The fourth proportional to 1,042,768,852.80, 1,560,122,200.80 and 679,971,796.80 is: 1,017,329,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,768,852.80 : 1,560,122,200.80 = 679,971,796.80 : x
  2. Step 2: Convert to fraction form
    1,042,768,852.80/1,560,122,200.80 = 679,971,796.80/x
  3. Step 3: Cross multiply
    1,042,768,852.80x = 1,560,122,200.80 × 679,971,796.80
  4. Step 4: Simplify right side
    1,042,768,852.80x = 1,060,839,096,105,546,240
  5. Step 5: Solve for x
    x = 1,060,839,096,105,546,240/1,042,768,852.80
  6. Step 6: Final answer
    x = 1,017,329,097.68

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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.