Home / 7,080,606,308.81-9,771,267,915.35-3,908,816,288.73

Finding the Fourth Proportional to 7,080,606,308.81, 9,771,267,915.35 and 3,908,816,288.73

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Solution

The fourth proportional to 7,080,606,308.81, 9,771,267,915.35 and 3,908,816,288.73 is: 5,394,183,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,606,308.81 : 9,771,267,915.35 = 3,908,816,288.73 : x
  2. Step 2: Convert to fraction form
    7,080,606,308.81/9,771,267,915.35 = 3,908,816,288.73/x
  3. Step 3: Cross multiply
    7,080,606,308.81x = 9,771,267,915.35 × 3,908,816,288.73
  4. Step 4: Simplify right side
    7,080,606,308.81x = 38,194,091,189,045,362,688
  5. Step 5: Solve for x
    x = 38,194,091,189,045,362,688/7,080,606,308.81
  6. Step 6: Final answer
    x = 5,394,183,707.34

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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.