Home / 1,119,641,703.30-1,678,230,836.55-392,256,000.90

Finding the Fourth Proportional to 1,119,641,703.30, 1,678,230,836.55 and 392,256,000.90

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Solution

The fourth proportional to 1,119,641,703.30, 1,678,230,836.55 and 392,256,000.90 is: 587,952,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,641,703.30 : 1,678,230,836.55 = 392,256,000.90 : x
  2. Step 2: Convert to fraction form
    1,119,641,703.30/1,678,230,836.55 = 392,256,000.90/x
  3. Step 3: Cross multiply
    1,119,641,703.30x = 1,678,230,836.55 × 392,256,000.90
  4. Step 4: Simplify right side
    1,119,641,703.30x = 658,296,116,532,164,480
  5. Step 5: Solve for x
    x = 658,296,116,532,164,480/1,119,641,703.30
  6. Step 6: Final answer
    x = 587,952,480.33

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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.