Home / 1,434,821,409,817.10-1,980,053,713,431.80-784,500,433,975.90

Finding the Fourth Proportional to 1,434,821,409,817.10, 1,980,053,713,431.80 and 784,500,433,975.90

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Solution

The fourth proportional to 1,434,821,409,817.10, 1,980,053,713,431.80 and 784,500,433,975.90 is: 1,082,610,690,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,821,409,817.10 : 1,980,053,713,431.80 = 784,500,433,975.90 : x
  2. Step 2: Convert to fraction form
    1,434,821,409,817.10/1,980,053,713,431.80 = 784,500,433,975.90/x
  3. Step 3: Cross multiply
    1,434,821,409,817.10x = 1,980,053,713,431.80 × 784,500,433,975.90
  4. Step 4: Simplify right side
    1,434,821,409,817.10x = 1,553,352,997,482,839,498,817,536
  5. Step 5: Solve for x
    x = 1,553,352,997,482,839,498,817,536/1,434,821,409,817.10
  6. Step 6: Final answer
    x = 1,082,610,690,678.81

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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.