Home / 1,434,357,585,480.80-1,979,413,321,771.30-784,038,766,175.05

Finding the Fourth Proportional to 1,434,357,585,480.80, 1,979,413,321,771.30 and 784,038,766,175.05

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Solution

The fourth proportional to 1,434,357,585,480.80, 1,979,413,321,771.30 and 784,038,766,175.05 is: 1,081,973,417,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,357,585,480.80 : 1,979,413,321,771.30 = 784,038,766,175.05 : x
  2. Step 2: Convert to fraction form
    1,434,357,585,480.80/1,979,413,321,771.30 = 784,038,766,175.05/x
  3. Step 3: Cross multiply
    1,434,357,585,480.80x = 1,979,413,321,771.30 × 784,038,766,175.05
  4. Step 4: Simplify right side
    1,434,357,585,480.80x = 1,551,936,778,552,027,511,783,424
  5. Step 5: Solve for x
    x = 1,551,936,778,552,027,511,783,424/1,434,357,585,480.80
  6. Step 6: Final answer
    x = 1,081,973,417,410.98

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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.