Home / 972,495,636.63-1,342,043,694.26-526,458,668.95

Finding the Fourth Proportional to 972,495,636.63, 1,342,043,694.26 and 526,458,668.95

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Solution

The fourth proportional to 972,495,636.63, 1,342,043,694.26 and 526,458,668.95 is: 726,512,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,495,636.63 : 1,342,043,694.26 = 526,458,668.95 : x
  2. Step 2: Convert to fraction form
    972,495,636.63/1,342,043,694.26 = 526,458,668.95/x
  3. Step 3: Cross multiply
    972,495,636.63x = 1,342,043,694.26 × 526,458,668.95
  4. Step 4: Simplify right side
    972,495,636.63x = 706,530,536,952,860,288
  5. Step 5: Solve for x
    x = 706,530,536,952,860,288/972,495,636.63
  6. Step 6: Final answer
    x = 726,512,809.25

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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.