Home / 972,495,635.63-1,342,043,692.88-526,458,667.95

Finding the Fourth Proportional to 972,495,635.63, 1,342,043,692.88 and 526,458,667.95

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Solution

The fourth proportional to 972,495,635.63, 1,342,043,692.88 and 526,458,667.95 is: 726,512,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,495,635.63 : 1,342,043,692.88 = 526,458,667.95 : x
  2. Step 2: Convert to fraction form
    972,495,635.63/1,342,043,692.88 = 526,458,667.95/x
  3. Step 3: Cross multiply
    972,495,635.63x = 1,342,043,692.88 × 526,458,667.95
  4. Step 4: Simplify right side
    972,495,635.63x = 706,530,534,886,889,856
  5. Step 5: Solve for x
    x = 706,530,534,886,889,856/972,495,635.63
  6. Step 6: Final answer
    x = 726,512,807.87

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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.