Home / 1,434,821,409,853.60-1,980,053,713,482.30-784,500,434,012.40

Finding the Fourth Proportional to 1,434,821,409,853.60, 1,980,053,713,482.30 and 784,500,434,012.40

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Solution

The fourth proportional to 1,434,821,409,853.60, 1,980,053,713,482.30 and 784,500,434,012.40 is: 1,082,610,690,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,821,409,853.60 : 1,980,053,713,482.30 = 784,500,434,012.40 : x
  2. Step 2: Convert to fraction form
    1,434,821,409,853.60/1,980,053,713,482.30 = 784,500,434,012.40/x
  3. Step 3: Cross multiply
    1,434,821,409,853.60x = 1,980,053,713,482.30 × 784,500,434,012.40
  4. Step 4: Simplify right side
    1,434,821,409,853.60x = 1,553,352,997,594,728,765,587,456
  5. Step 5: Solve for x
    x = 1,553,352,997,594,728,765,587,456/1,434,821,409,853.60
  6. Step 6: Final answer
    x = 1,082,610,690,729.25

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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.