Home / 13,216,450,841.70-19,818,858,754.44-7,004,160,643.38

Finding the Fourth Proportional to 13,216,450,841.70, 19,818,858,754.44 and 7,004,160,643.38

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Solution

The fourth proportional to 13,216,450,841.70, 19,818,858,754.44 and 7,004,160,643.38 is: 10,503,157,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,450,841.70 : 19,818,858,754.44 = 7,004,160,643.38 : x
  2. Step 2: Convert to fraction form
    13,216,450,841.70/19,818,858,754.44 = 7,004,160,643.38/x
  3. Step 3: Cross multiply
    13,216,450,841.70x = 19,818,858,754.44 × 7,004,160,643.38
  4. Step 4: Simplify right side
    13,216,450,841.70x = 138,814,470,484,555,808,768
  5. Step 5: Solve for x
    x = 138,814,470,484,555,808,768/13,216,450,841.70
  6. Step 6: Final answer
    x = 10,503,157,931.52

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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.