Home / 442,867,812.60-664,301,718.90-328,076,556.60

Finding the Fourth Proportional to 442,867,812.60, 664,301,718.90 and 328,076,556.60

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Solution

The fourth proportional to 442,867,812.60, 664,301,718.90 and 328,076,556.60 is: 492,114,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,812.60 : 664,301,718.90 = 328,076,556.60 : x
  2. Step 2: Convert to fraction form
    442,867,812.60/664,301,718.90 = 328,076,556.60/x
  3. Step 3: Cross multiply
    442,867,812.60x = 664,301,718.90 × 328,076,556.60
  4. Step 4: Simplify right side
    442,867,812.60x = 217,941,820,480,173,152
  5. Step 5: Solve for x
    x = 217,941,820,480,173,152/442,867,812.60
  6. Step 6: Final answer
    x = 492,114,834.90

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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.