Home / 647,716,608.44-971,574,875.75-181,447,065.73

Finding the Fourth Proportional to 647,716,608.44, 971,574,875.75 and 181,447,065.73

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Solution

The fourth proportional to 647,716,608.44, 971,574,875.75 and 181,447,065.73 is: 272,170,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,716,608.44 : 971,574,875.75 = 181,447,065.73 : x
  2. Step 2: Convert to fraction form
    647,716,608.44/971,574,875.75 = 181,447,065.73/x
  3. Step 3: Cross multiply
    647,716,608.44x = 971,574,875.75 × 181,447,065.73
  4. Step 4: Simplify right side
    647,716,608.44x = 176,289,410,343,494,912
  5. Step 5: Solve for x
    x = 176,289,410,343,494,912/647,716,608.44
  6. Step 6: Final answer
    x = 272,170,588.26

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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.