Home / 789,473,348.86-1,089,430,059.50-432,172,005.16

Finding the Fourth Proportional to 789,473,348.86, 1,089,430,059.50 and 432,172,005.16

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Solution

The fourth proportional to 789,473,348.86, 1,089,430,059.50 and 432,172,005.16 is: 596,373,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,473,348.86 : 1,089,430,059.50 = 432,172,005.16 : x
  2. Step 2: Convert to fraction form
    789,473,348.86/1,089,430,059.50 = 432,172,005.16/x
  3. Step 3: Cross multiply
    789,473,348.86x = 1,089,430,059.50 × 432,172,005.16
  4. Step 4: Simplify right side
    789,473,348.86x = 470,821,173,295,693,120
  5. Step 5: Solve for x
    x = 470,821,173,295,693,120/789,473,348.86
  6. Step 6: Final answer
    x = 596,373,739.50

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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.