Home / 1,560,556,349.37-2,151,484,431.59-1,239,748,760.45

Finding the Fourth Proportional to 1,560,556,349.37, 2,151,484,431.59 and 1,239,748,760.45

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Solution

The fourth proportional to 1,560,556,349.37, 2,151,484,431.59 and 1,239,748,760.45 is: 1,709,198,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,556,349.37 : 2,151,484,431.59 = 1,239,748,760.45 : x
  2. Step 2: Convert to fraction form
    1,560,556,349.37/2,151,484,431.59 = 1,239,748,760.45/x
  3. Step 3: Cross multiply
    1,560,556,349.37x = 2,151,484,431.59 × 1,239,748,760.45
  4. Step 4: Simplify right side
    1,560,556,349.37x = 2,667,300,157,199,653,888
  5. Step 5: Solve for x
    x = 2,667,300,157,199,653,888/1,560,556,349.37
  6. Step 6: Final answer
    x = 1,709,198,234.51

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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.