Home / 562,986,280.88-776,921,055.27-312,090,036.95

Finding the Fourth Proportional to 562,986,280.88, 776,921,055.27 and 312,090,036.95

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Solution

The fourth proportional to 562,986,280.88, 776,921,055.27 and 312,090,036.95 is: 430,684,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,986,280.88 : 776,921,055.27 = 312,090,036.95 : x
  2. Step 2: Convert to fraction form
    562,986,280.88/776,921,055.27 = 312,090,036.95/x
  3. Step 3: Cross multiply
    562,986,280.88x = 776,921,055.27 × 312,090,036.95
  4. Step 4: Simplify right side
    562,986,280.88x = 242,469,320,842,562,688
  5. Step 5: Solve for x
    x = 242,469,320,842,562,688/562,986,280.88
  6. Step 6: Final answer
    x = 430,684,244.14

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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.