Home / 560,455,470.45-840,357,960.42-265,348,112.94

Finding the Fourth Proportional to 560,455,470.45, 840,357,960.42 and 265,348,112.94

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Solution

The fourth proportional to 560,455,470.45, 840,357,960.42 and 265,348,112.94 is: 397,868,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,455,470.45 : 840,357,960.42 = 265,348,112.94 : x
  2. Step 2: Convert to fraction form
    560,455,470.45/840,357,960.42 = 265,348,112.94/x
  3. Step 3: Cross multiply
    560,455,470.45x = 840,357,960.42 × 265,348,112.94
  4. Step 4: Simplify right side
    560,455,470.45x = 222,987,398,989,802,688
  5. Step 5: Solve for x
    x = 222,987,398,989,802,688/560,455,470.45
  6. Step 6: Final answer
    x = 397,868,181.77

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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.