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Finding the Fourth Proportional to 1,062,984,312.80, 1,594,476,469.20 and 955,845,807.20

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Solution

The fourth proportional to 1,062,984,312.80, 1,594,476,469.20 and 955,845,807.20 is: 1,433,768,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,984,312.80 : 1,594,476,469.20 = 955,845,807.20 : x
  2. Step 2: Convert to fraction form
    1,062,984,312.80/1,594,476,469.20 = 955,845,807.20/x
  3. Step 3: Cross multiply
    1,062,984,312.80x = 1,594,476,469.20 × 955,845,807.20
  4. Step 4: Simplify right side
    1,062,984,312.80x = 1,524,073,647,763,879,936
  5. Step 5: Solve for x
    x = 1,524,073,647,763,879,936/1,062,984,312.80
  6. Step 6: Final answer
    x = 1,433,768,710.80

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1.5x scale

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.