Home / 13,249,815,562.89-18,284,451,186.06-7,309,366,490.25

Finding the Fourth Proportional to 13,249,815,562.89, 18,284,451,186.06 and 7,309,366,490.25

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Solution

The fourth proportional to 13,249,815,562.89, 18,284,451,186.06 and 7,309,366,490.25 is: 10,086,763,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,815,562.89 : 18,284,451,186.06 = 7,309,366,490.25 : x
  2. Step 2: Convert to fraction form
    13,249,815,562.89/18,284,451,186.06 = 7,309,366,490.25/x
  3. Step 3: Cross multiply
    13,249,815,562.89x = 18,284,451,186.06 × 7,309,366,490.25
  4. Step 4: Simplify right side
    13,249,815,562.89x = 133,647,754,791,998,849,024
  5. Step 5: Solve for x
    x = 133,647,754,791,998,849,024/13,249,815,562.89
  6. Step 6: Final answer
    x = 10,086,763,408.72

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1.5x scale

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.