Home / 347,688,368.61-479,330,509.68-277,362,670.56

Finding the Fourth Proportional to 347,688,368.61, 479,330,509.68 and 277,362,670.56

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Solution

The fourth proportional to 347,688,368.61, 479,330,509.68 and 277,362,670.56 is: 382,378,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,688,368.61 : 479,330,509.68 = 277,362,670.56 : x
  2. Step 2: Convert to fraction form
    347,688,368.61/479,330,509.68 = 277,362,670.56/x
  3. Step 3: Cross multiply
    347,688,368.61x = 479,330,509.68 × 277,362,670.56
  4. Step 4: Simplify right side
    347,688,368.61x = 132,948,390,245,730,736
  5. Step 5: Solve for x
    x = 132,948,390,245,730,736/347,688,368.61
  6. Step 6: Final answer
    x = 382,378,020.80

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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.