Home / 1,396,965,313.40-2,095,447,970.10-476,871,668.60

Finding the Fourth Proportional to 1,396,965,313.40, 2,095,447,970.10 and 476,871,668.60

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Solution

The fourth proportional to 1,396,965,313.40, 2,095,447,970.10 and 476,871,668.60 is: 715,307,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,965,313.40 : 2,095,447,970.10 = 476,871,668.60 : x
  2. Step 2: Convert to fraction form
    1,396,965,313.40/2,095,447,970.10 = 476,871,668.60/x
  3. Step 3: Cross multiply
    1,396,965,313.40x = 2,095,447,970.10 × 476,871,668.60
  4. Step 4: Simplify right side
    1,396,965,313.40x = 999,259,769,966,069,888
  5. Step 5: Solve for x
    x = 999,259,769,966,069,888/1,396,965,313.40
  6. Step 6: Final answer
    x = 715,307,502.90

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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.