Home / 1,107,064,905.60-1,660,849,300.80-646,766,140.80

Finding the Fourth Proportional to 1,107,064,905.60, 1,660,849,300.80 and 646,766,140.80

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Solution

The fourth proportional to 1,107,064,905.60, 1,660,849,300.80 and 646,766,140.80 is: 970,296,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,064,905.60 : 1,660,849,300.80 = 646,766,140.80 : x
  2. Step 2: Convert to fraction form
    1,107,064,905.60/1,660,849,300.80 = 646,766,140.80/x
  3. Step 3: Cross multiply
    1,107,064,905.60x = 1,660,849,300.80 × 646,766,140.80
  4. Step 4: Simplify right side
    1,107,064,905.60x = 1,074,181,092,728,794,240
  5. Step 5: Solve for x
    x = 1,074,181,092,728,794,240/1,107,064,905.60
  6. Step 6: Final answer
    x = 970,296,400.23

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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.