Home / 783,724,486.55-1,081,539,967.98-431,300,477.27

Finding the Fourth Proportional to 783,724,486.55, 1,081,539,967.98 and 431,300,477.27

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Solution

The fourth proportional to 783,724,486.55, 1,081,539,967.98 and 431,300,477.27 is: 595,194,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,724,486.55 : 1,081,539,967.98 = 431,300,477.27 : x
  2. Step 2: Convert to fraction form
    783,724,486.55/1,081,539,967.98 = 431,300,477.27/x
  3. Step 3: Cross multiply
    783,724,486.55x = 1,081,539,967.98 × 431,300,477.27
  4. Step 4: Simplify right side
    783,724,486.55x = 466,468,704,375,276,224
  5. Step 5: Solve for x
    x = 466,468,704,375,276,224/783,724,486.55
  6. Step 6: Final answer
    x = 595,194,755.78

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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.