Home / 988,339,806.18-1,364,029,888.50-570,651,390.27

Finding the Fourth Proportional to 988,339,806.18, 1,364,029,888.50 and 570,651,390.27

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Solution

The fourth proportional to 988,339,806.18, 1,364,029,888.50 and 570,651,390.27 is: 787,568,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,339,806.18 : 1,364,029,888.50 = 570,651,390.27 : x
  2. Step 2: Convert to fraction form
    988,339,806.18/1,364,029,888.50 = 570,651,390.27/x
  3. Step 3: Cross multiply
    988,339,806.18x = 1,364,029,888.50 × 570,651,390.27
  4. Step 4: Simplify right side
    988,339,806.18x = 778,385,552,242,358,016
  5. Step 5: Solve for x
    x = 778,385,552,242,358,016/988,339,806.18
  6. Step 6: Final answer
    x = 787,568,756.59

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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.