Home / 500,583,035.59-690,741,085.66-274,462,518.47

Finding the Fourth Proportional to 500,583,035.59, 690,741,085.66 and 274,462,518.47

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Solution

The fourth proportional to 500,583,035.59, 690,741,085.66 and 274,462,518.47 is: 378,723,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,583,035.59 : 690,741,085.66 = 274,462,518.47 : x
  2. Step 2: Convert to fraction form
    500,583,035.59/690,741,085.66 = 274,462,518.47/x
  3. Step 3: Cross multiply
    500,583,035.59x = 690,741,085.66 × 274,462,518.47
  4. Step 4: Simplify right side
    500,583,035.59x = 189,582,537,976,805,728
  5. Step 5: Solve for x
    x = 189,582,537,976,805,728/500,583,035.59
  6. Step 6: Final answer
    x = 378,723,457.45

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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.