Home / 1,308,559,382.93-1,805,809,471.55-713,843,710.13

Finding the Fourth Proportional to 1,308,559,382.93, 1,805,809,471.55 and 713,843,710.13

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Solution

The fourth proportional to 1,308,559,382.93, 1,805,809,471.55 and 713,843,710.13 is: 985,102,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,559,382.93 : 1,805,809,471.55 = 713,843,710.13 : x
  2. Step 2: Convert to fraction form
    1,308,559,382.93/1,805,809,471.55 = 713,843,710.13/x
  3. Step 3: Cross multiply
    1,308,559,382.93x = 1,805,809,471.55 × 713,843,710.13
  4. Step 4: Simplify right side
    1,308,559,382.93x = 1,289,065,732,946,548,480
  5. Step 5: Solve for x
    x = 1,289,065,732,946,548,480/1,308,559,382.93
  6. Step 6: Final answer
    x = 985,102,968.78

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Double scale
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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.