Home / 436,890,051.90-655,335,077.85-393,052,074.30

Finding the Fourth Proportional to 436,890,051.90, 655,335,077.85 and 393,052,074.30

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Solution

The fourth proportional to 436,890,051.90, 655,335,077.85 and 393,052,074.30 is: 589,578,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,890,051.90 : 655,335,077.85 = 393,052,074.30 : x
  2. Step 2: Convert to fraction form
    436,890,051.90/655,335,077.85 = 393,052,074.30/x
  3. Step 3: Cross multiply
    436,890,051.90x = 655,335,077.85 × 393,052,074.30
  4. Step 4: Simplify right side
    436,890,051.90x = 257,580,811,710,494,496
  5. Step 5: Solve for x
    x = 257,580,811,710,494,496/436,890,051.90
  6. Step 6: Final answer
    x = 589,578,111.45

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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.