Home / 12,805,452,830.62-19,209,147,992.16-3,963,186,010.72

Finding the Fourth Proportional to 12,805,452,830.62, 19,209,147,992.16 and 3,963,186,010.72

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Solution

The fourth proportional to 12,805,452,830.62, 19,209,147,992.16 and 3,963,186,010.72 is: 5,945,078,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,452,830.62 : 19,209,147,992.16 = 3,963,186,010.72 : x
  2. Step 2: Convert to fraction form
    12,805,452,830.62/19,209,147,992.16 = 3,963,186,010.72/x
  3. Step 3: Cross multiply
    12,805,452,830.62x = 19,209,147,992.16 × 3,963,186,010.72
  4. Step 4: Simplify right side
    12,805,452,830.62x = 76,129,426,600,413,495,296
  5. Step 5: Solve for x
    x = 76,129,426,600,413,495,296/12,805,452,830.62
  6. Step 6: Final answer
    x = 5,945,078,835.35

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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.