Home / 7,137,705,138.03-9,849,441,049.74-3,922,446,065.40

Finding the Fourth Proportional to 7,137,705,138.03, 9,849,441,049.74 and 3,922,446,065.40

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Solution

The fourth proportional to 7,137,705,138.03, 9,849,441,049.74 and 3,922,446,065.40 is: 5,412,650,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,705,138.03 : 9,849,441,049.74 = 3,922,446,065.40 : x
  2. Step 2: Convert to fraction form
    7,137,705,138.03/9,849,441,049.74 = 3,922,446,065.40/x
  3. Step 3: Cross multiply
    7,137,705,138.03x = 9,849,441,049.74 × 3,922,446,065.40
  4. Step 4: Simplify right side
    7,137,705,138.03x = 38,633,901,291,941,912,576
  5. Step 5: Solve for x
    x = 38,633,901,291,941,912,576/7,137,705,138.03
  6. Step 6: Final answer
    x = 5,412,650,220.88

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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.