Home / 612,252,021.45-918,378,032.18-612,252,021.45

Finding the Fourth Proportional to 612,252,021.45, 918,378,032.18 and 612,252,021.45

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Solution

The fourth proportional to 612,252,021.45, 918,378,032.18 and 612,252,021.45 is: 918,378,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,252,021.45 : 918,378,032.18 = 612,252,021.45 : x
  2. Step 2: Convert to fraction form
    612,252,021.45/918,378,032.18 = 612,252,021.45/x
  3. Step 3: Cross multiply
    612,252,021.45x = 918,378,032.18 × 612,252,021.45
  4. Step 4: Simplify right side
    612,252,021.45x = 562,278,806,654,416,896
  5. Step 5: Solve for x
    x = 562,278,806,654,416,896/612,252,021.45
  6. Step 6: Final answer
    x = 918,378,032.18

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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.