Home / 1,196,117,865.52-1,794,169,269.52-643,680,517.36

Finding the Fourth Proportional to 1,196,117,865.52, 1,794,169,269.52 and 643,680,517.36

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Solution

The fourth proportional to 1,196,117,865.52, 1,794,169,269.52 and 643,680,517.36 is: 965,516,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,117,865.52 : 1,794,169,269.52 = 643,680,517.36 : x
  2. Step 2: Convert to fraction form
    1,196,117,865.52/1,794,169,269.52 = 643,680,517.36/x
  3. Step 3: Cross multiply
    1,196,117,865.52x = 1,794,169,269.52 × 643,680,517.36
  4. Step 4: Simplify right side
    1,196,117,865.52x = 1,154,871,803,636,046,848
  5. Step 5: Solve for x
    x = 1,154,871,803,636,046,848/1,196,117,865.52
  6. Step 6: Final answer
    x = 965,516,724.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.