Home / 1,289,136,378.18-1,932,912,662.34-501,271,665.13

Finding the Fourth Proportional to 1,289,136,378.18, 1,932,912,662.34 and 501,271,665.13

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Solution

The fourth proportional to 1,289,136,378.18, 1,932,912,662.34 and 501,271,665.13 is: 751,599,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,136,378.18 : 1,932,912,662.34 = 501,271,665.13 : x
  2. Step 2: Convert to fraction form
    1,289,136,378.18/1,932,912,662.34 = 501,271,665.13/x
  3. Step 3: Cross multiply
    1,289,136,378.18x = 1,932,912,662.34 × 501,271,665.13
  4. Step 4: Simplify right side
    1,289,136,378.18x = 968,914,348,802,033,152
  5. Step 5: Solve for x
    x = 968,914,348,802,033,152/1,289,136,378.18
  6. Step 6: Final answer
    x = 751,599,571.00

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Double scale
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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.