Home / 698,544,076.80-1,047,669,148.80-353,173,036.80

Finding the Fourth Proportional to 698,544,076.80, 1,047,669,148.80 and 353,173,036.80

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Solution

The fourth proportional to 698,544,076.80, 1,047,669,148.80 and 353,173,036.80 is: 529,685,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,544,076.80 : 1,047,669,148.80 = 353,173,036.80 : x
  2. Step 2: Convert to fraction form
    698,544,076.80/1,047,669,148.80 = 353,173,036.80/x
  3. Step 3: Cross multiply
    698,544,076.80x = 1,047,669,148.80 × 353,173,036.80
  4. Step 4: Simplify right side
    698,544,076.80x = 370,008,494,843,367,040
  5. Step 5: Solve for x
    x = 370,008,494,843,367,040/698,544,076.80
  6. Step 6: Final answer
    x = 529,685,251.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.