Home / 988,339,806.94-1,364,029,889.58-570,651,391.02

Finding the Fourth Proportional to 988,339,806.94, 1,364,029,889.58 and 570,651,391.02

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Solution

The fourth proportional to 988,339,806.94, 1,364,029,889.58 and 570,651,391.02 is: 787,568,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,339,806.94 : 1,364,029,889.58 = 570,651,391.02 : x
  2. Step 2: Convert to fraction form
    988,339,806.94/1,364,029,889.58 = 570,651,391.02/x
  3. Step 3: Cross multiply
    988,339,806.94x = 1,364,029,889.58 × 570,651,391.02
  4. Step 4: Simplify right side
    988,339,806.94x = 778,385,553,881,683,968
  5. Step 5: Solve for x
    x = 778,385,553,881,683,968/988,339,806.94
  6. Step 6: Final answer
    x = 787,568,757.64

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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.