Home / 562,986,281.88-776,921,056.65-312,090,037.95

Finding the Fourth Proportional to 562,986,281.88, 776,921,056.65 and 312,090,037.95

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Solution

The fourth proportional to 562,986,281.88, 776,921,056.65 and 312,090,037.95 is: 430,684,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,986,281.88 : 776,921,056.65 = 312,090,037.95 : x
  2. Step 2: Convert to fraction form
    562,986,281.88/776,921,056.65 = 312,090,037.95/x
  3. Step 3: Cross multiply
    562,986,281.88x = 776,921,056.65 × 312,090,037.95
  4. Step 4: Simplify right side
    562,986,281.88x = 242,469,322,054,052,576
  5. Step 5: Solve for x
    x = 242,469,322,054,052,576/562,986,281.88
  6. Step 6: Final answer
    x = 430,684,245.53

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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.