Home / 1,020,677,321.80-1,531,016,004.30-293,666,033.80

Finding the Fourth Proportional to 1,020,677,321.80, 1,531,016,004.30 and 293,666,033.80

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Solution

The fourth proportional to 1,020,677,321.80, 1,531,016,004.30 and 293,666,033.80 is: 440,499,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,677,321.80 : 1,531,016,004.30 = 293,666,033.80 : x
  2. Step 2: Convert to fraction form
    1,020,677,321.80/1,531,016,004.30 = 293,666,033.80/x
  3. Step 3: Cross multiply
    1,020,677,321.80x = 1,531,016,004.30 × 293,666,033.80
  4. Step 4: Simplify right side
    1,020,677,321.80x = 449,607,397,667,104,768
  5. Step 5: Solve for x
    x = 449,607,397,667,104,768/1,020,677,321.80
  6. Step 6: Final answer
    x = 440,499,056.91

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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.