Home / 672,921,164.80-1,010,421,009.60-366,811,148.80

Finding the Fourth Proportional to 672,921,164.80, 1,010,421,009.60 and 366,811,148.80

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Solution

The fourth proportional to 672,921,164.80, 1,010,421,009.60 and 366,811,148.80 is: 550,783,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,921,164.80 : 1,010,421,009.60 = 366,811,148.80 : x
  2. Step 2: Convert to fraction form
    672,921,164.80/1,010,421,009.60 = 366,811,148.80/x
  3. Step 3: Cross multiply
    672,921,164.80x = 1,010,421,009.60 × 366,811,148.80
  4. Step 4: Simplify right side
    672,921,164.80x = 370,633,691,303,031,872
  5. Step 5: Solve for x
    x = 370,633,691,303,031,872/672,921,164.80
  6. Step 6: Final answer
    x = 550,783,227.95

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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.