Home / 1,528,194,816.14-2,108,896,169-859,142,843.31

Finding the Fourth Proportional to 1,528,194,816.14, 2,108,896,169 and 859,142,843.31

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Solution

The fourth proportional to 1,528,194,816.14, 2,108,896,169 and 859,142,843.31 is: 1,185,609,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,194,816.14 : 2,108,896,169 = 859,142,843.31 : x
  2. Step 2: Convert to fraction form
    1,528,194,816.14/2,108,896,169 = 859,142,843.31/x
  3. Step 3: Cross multiply
    1,528,194,816.14x = 2,108,896,169 × 859,142,843.31
  4. Step 4: Simplify right side
    1,528,194,816.14x = 1,811,843,050,880,226,048
  5. Step 5: Solve for x
    x = 1,811,843,050,880,226,048/1,528,194,816.14
  6. Step 6: Final answer
    x = 1,185,609,996.67

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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.