Home / 674,919,263.37-931,389,950.67-377,566,471.23

Finding the Fourth Proportional to 674,919,263.37, 931,389,950.67 and 377,566,471.23

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Solution

The fourth proportional to 674,919,263.37, 931,389,950.67 and 377,566,471.23 is: 521,042,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,263.37 : 931,389,950.67 = 377,566,471.23 : x
  2. Step 2: Convert to fraction form
    674,919,263.37/931,389,950.67 = 377,566,471.23/x
  3. Step 3: Cross multiply
    674,919,263.37x = 931,389,950.67 × 377,566,471.23
  4. Step 4: Simplify right side
    674,919,263.37x = 351,661,617,013,555,648
  5. Step 5: Solve for x
    x = 351,661,617,013,555,648/674,919,263.37
  6. Step 6: Final answer
    x = 521,042,495.15

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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.