Home / 789,473,343.06-1,089,430,051.47-432,171,999.34

Finding the Fourth Proportional to 789,473,343.06, 1,089,430,051.47 and 432,171,999.34

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Solution

The fourth proportional to 789,473,343.06, 1,089,430,051.47 and 432,171,999.34 is: 596,373,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,473,343.06 : 1,089,430,051.47 = 432,171,999.34 : x
  2. Step 2: Convert to fraction form
    789,473,343.06/1,089,430,051.47 = 432,171,999.34/x
  3. Step 3: Cross multiply
    789,473,343.06x = 1,089,430,051.47 × 432,171,999.34
  4. Step 4: Simplify right side
    789,473,343.06x = 470,821,163,483,729,152
  5. Step 5: Solve for x
    x = 470,821,163,483,729,152/789,473,343.06
  6. Step 6: Final answer
    x = 596,373,731.46

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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.