Home / 661,589,830.48-912,977,279.22-364,229,104

Finding the Fourth Proportional to 661,589,830.48, 912,977,279.22 and 364,229,104

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Solution

The fourth proportional to 661,589,830.48, 912,977,279.22 and 364,229,104 is: 502,626,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,589,830.48 : 912,977,279.22 = 364,229,104 : x
  2. Step 2: Convert to fraction form
    661,589,830.48/912,977,279.22 = 364,229,104/x
  3. Step 3: Cross multiply
    661,589,830.48x = 912,977,279.22 × 364,229,104
  4. Step 4: Simplify right side
    661,589,830.48x = 332,532,896,382,658,432
  5. Step 5: Solve for x
    x = 332,532,896,382,658,432/661,589,830.48
  6. Step 6: Final answer
    x = 502,626,976.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.