Home / 465,921,510,465.95-698,264,443,097.80-239,271,806,406.56

Finding the Fourth Proportional to 465,921,510,465.95, 698,264,443,097.80 and 239,271,806,406.56

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Solution

The fourth proportional to 465,921,510,465.95, 698,264,443,097.80 and 239,271,806,406.56 is: 358,590,429,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,921,510,465.95 : 698,264,443,097.80 = 239,271,806,406.56 : x
  2. Step 2: Convert to fraction form
    465,921,510,465.95/698,264,443,097.80 = 239,271,806,406.56/x
  3. Step 3: Cross multiply
    465,921,510,465.95x = 698,264,443,097.80 × 239,271,806,406.56
  4. Step 4: Simplify right side
    465,921,510,465.95x = 167,074,994,649,481,229,631,488
  5. Step 5: Solve for x
    x = 167,074,994,649,481,229,631,488/465,921,510,465.95
  6. Step 6: Final answer
    x = 358,590,429,710.78

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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.