Home / 297,792,094.80-446,688,142.20-221,264,590.80

Finding the Fourth Proportional to 297,792,094.80, 446,688,142.20 and 221,264,590.80

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Solution

The fourth proportional to 297,792,094.80, 446,688,142.20 and 221,264,590.80 is: 331,896,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,792,094.80 : 446,688,142.20 = 221,264,590.80 : x
  2. Step 2: Convert to fraction form
    297,792,094.80/446,688,142.20 = 221,264,590.80/x
  3. Step 3: Cross multiply
    297,792,094.80x = 446,688,142.20 × 221,264,590.80
  4. Step 4: Simplify right side
    297,792,094.80x = 98,836,268,999,095,216
  5. Step 5: Solve for x
    x = 98,836,268,999,095,216/297,792,094.80
  6. Step 6: Final answer
    x = 331,896,886.20

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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.