Home / 12,805,452,826.12-19,209,147,985.41-3,963,186,006.22

Finding the Fourth Proportional to 12,805,452,826.12, 19,209,147,985.41 and 3,963,186,006.22

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Solution

The fourth proportional to 12,805,452,826.12, 19,209,147,985.41 and 3,963,186,006.22 is: 5,945,078,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,452,826.12 : 19,209,147,985.41 = 3,963,186,006.22 : x
  2. Step 2: Convert to fraction form
    12,805,452,826.12/19,209,147,985.41 = 3,963,186,006.22/x
  3. Step 3: Cross multiply
    12,805,452,826.12x = 19,209,147,985.41 × 3,963,186,006.22
  4. Step 4: Simplify right side
    12,805,452,826.12x = 76,129,426,487,214,948,352
  5. Step 5: Solve for x
    x = 76,129,426,487,214,948,352/12,805,452,826.12
  6. Step 6: Final answer
    x = 5,945,078,828.60

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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.