Home / 7,080,606,298.73-9,771,267,901.40-3,908,816,278.64

Finding the Fourth Proportional to 7,080,606,298.73, 9,771,267,901.40 and 3,908,816,278.64

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Solution

The fourth proportional to 7,080,606,298.73, 9,771,267,901.40 and 3,908,816,278.64 is: 5,394,183,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,606,298.73 : 9,771,267,901.40 = 3,908,816,278.64 : x
  2. Step 2: Convert to fraction form
    7,080,606,298.73/9,771,267,901.40 = 3,908,816,278.64/x
  3. Step 3: Cross multiply
    7,080,606,298.73x = 9,771,267,901.40 × 3,908,816,278.64
  4. Step 4: Simplify right side
    7,080,606,298.73x = 38,194,091,036,005,998,592
  5. Step 5: Solve for x
    x = 38,194,091,036,005,998,592/7,080,606,298.73
  6. Step 6: Final answer
    x = 5,394,183,693.40

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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.