Home / 789,537,783.07-1,089,558,144.30-432,299,068.93

Finding the Fourth Proportional to 789,537,783.07, 1,089,558,144.30 and 432,299,068.93

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Solution

The fourth proportional to 789,537,783.07, 1,089,558,144.30 and 432,299,068.93 is: 596,570,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,537,783.07 : 1,089,558,144.30 = 432,299,068.93 : x
  2. Step 2: Convert to fraction form
    789,537,783.07/1,089,558,144.30 = 432,299,068.93/x
  3. Step 3: Cross multiply
    789,537,783.07x = 1,089,558,144.30 × 432,299,068.93
  4. Step 4: Simplify right side
    789,537,783.07x = 471,014,971,325,988,544
  5. Step 5: Solve for x
    x = 471,014,971,325,988,544/789,537,783.07
  6. Step 6: Final answer
    x = 596,570,526.99

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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.