Home / 679,364,471.80-1,017,535,053.30-558,432,119.80

Finding the Fourth Proportional to 679,364,471.80, 1,017,535,053.30 and 558,432,119.80

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Solution

The fourth proportional to 679,364,471.80, 1,017,535,053.30 and 558,432,119.80 is: 836,405,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,364,471.80 : 1,017,535,053.30 = 558,432,119.80 : x
  2. Step 2: Convert to fraction form
    679,364,471.80/1,017,535,053.30 = 558,432,119.80/x
  3. Step 3: Cross multiply
    679,364,471.80x = 1,017,535,053.30 × 558,432,119.80
  4. Step 4: Simplify right side
    679,364,471.80x = 568,224,256,785,124,928
  5. Step 5: Solve for x
    x = 568,224,256,785,124,928/679,364,471.80
  6. Step 6: Final answer
    x = 836,405,611.97

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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.