Home / 798,894,436,019.55-1,198,220,574,426.60-217,428,939,063.77

Finding the Fourth Proportional to 798,894,436,019.55, 1,198,220,574,426.60 and 217,428,939,063.77

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Solution

The fourth proportional to 798,894,436,019.55, 1,198,220,574,426.60 and 217,428,939,063.77 is: 326,110,455,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,894,436,019.55 : 1,198,220,574,426.60 = 217,428,939,063.77 : x
  2. Step 2: Convert to fraction form
    798,894,436,019.55/1,198,220,574,426.60 = 217,428,939,063.77/x
  3. Step 3: Cross multiply
    798,894,436,019.55x = 1,198,220,574,426.60 × 217,428,939,063.77
  4. Step 4: Simplify right side
    798,894,436,019.55x = 260,527,828,261,956,709,515,264
  5. Step 5: Solve for x
    x = 260,527,828,261,956,709,515,264/798,894,436,019.55
  6. Step 6: Final answer
    x = 326,110,455,293.72

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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.