Home / 348,076,280.16-480,358,971.54-191,457,960.21

Finding the Fourth Proportional to 348,076,280.16, 480,358,971.54 and 191,457,960.21

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Solution

The fourth proportional to 348,076,280.16, 480,358,971.54 and 191,457,960.21 is: 264,219,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,076,280.16 : 480,358,971.54 = 191,457,960.21 : x
  2. Step 2: Convert to fraction form
    348,076,280.16/480,358,971.54 = 191,457,960.21/x
  3. Step 3: Cross multiply
    348,076,280.16x = 480,358,971.54 × 191,457,960.21
  4. Step 4: Simplify right side
    348,076,280.16x = 91,968,548,859,621,856
  5. Step 5: Solve for x
    x = 91,968,548,859,621,856/348,076,280.16
  6. Step 6: Final answer
    x = 264,219,523.43

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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.