Home / 932,133,319.50-1,286,325,747.34-508,750,015.64

Finding the Fourth Proportional to 932,133,319.50, 1,286,325,747.34 and 508,750,015.64

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Solution

The fourth proportional to 932,133,319.50, 1,286,325,747.34 and 508,750,015.64 is: 702,065,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,133,319.50 : 1,286,325,747.34 = 508,750,015.64 : x
  2. Step 2: Convert to fraction form
    932,133,319.50/1,286,325,747.34 = 508,750,015.64/x
  3. Step 3: Cross multiply
    932,133,319.50x = 1,286,325,747.34 × 508,750,015.64
  4. Step 4: Simplify right side
    932,133,319.50x = 654,418,244,077,359,616
  5. Step 5: Solve for x
    x = 654,418,244,077,359,616/932,133,319.50
  6. Step 6: Final answer
    x = 702,065,069.86

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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.