Home / 13,287,834,765.60-19,939,404,898.80-5,012,660,666.40

Finding the Fourth Proportional to 13,287,834,765.60, 19,939,404,898.80 and 5,012,660,666.40

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Solution

The fourth proportional to 13,287,834,765.60, 19,939,404,898.80 and 5,012,660,666.40 is: 7,521,877,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,834,765.60 : 19,939,404,898.80 = 5,012,660,666.40 : x
  2. Step 2: Convert to fraction form
    13,287,834,765.60/19,939,404,898.80 = 5,012,660,666.40/x
  3. Step 3: Cross multiply
    13,287,834,765.60x = 19,939,404,898.80 × 5,012,660,666.40
  4. Step 4: Simplify right side
    13,287,834,765.60x = 99,949,470,647,638,228,992
  5. Step 5: Solve for x
    x = 99,949,470,647,638,228,992/13,287,834,765.60
  6. Step 6: Final answer
    x = 7,521,877,898.90

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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.