Home / 1,362,878,717.48-1,880,768,912.68-760,049,995.28

Finding the Fourth Proportional to 1,362,878,717.48, 1,880,768,912.68 and 760,049,995.28

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Solution

The fourth proportional to 1,362,878,717.48, 1,880,768,912.68 and 760,049,995.28 is: 1,048,866,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,878,717.48 : 1,880,768,912.68 = 760,049,995.28 : x
  2. Step 2: Convert to fraction form
    1,362,878,717.48/1,880,768,912.68 = 760,049,995.28/x
  3. Step 3: Cross multiply
    1,362,878,717.48x = 1,880,768,912.68 × 760,049,995.28
  4. Step 4: Simplify right side
    1,362,878,717.48x = 1,429,478,403,205,204,736
  5. Step 5: Solve for x
    x = 1,429,478,403,205,204,736/1,362,878,717.48
  6. Step 6: Final answer
    x = 1,048,866,920.34

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1.5x scale

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.