Home / 505,404,492,345.90-697,051,520,651.10-444,306,223,219.85

Finding the Fourth Proportional to 505,404,492,345.90, 697,051,520,651.10 and 444,306,223,219.85

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Solution

The fourth proportional to 505,404,492,345.90, 697,051,520,651.10 and 444,306,223,219.85 is: 612,785,072,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,404,492,345.90 : 697,051,520,651.10 = 444,306,223,219.85 : x
  2. Step 2: Convert to fraction form
    505,404,492,345.90/697,051,520,651.10 = 444,306,223,219.85/x
  3. Step 3: Cross multiply
    505,404,492,345.90x = 697,051,520,651.10 × 444,306,223,219.85
  4. Step 4: Simplify right side
    505,404,492,345.90x = 309,704,328,530,143,509,217,280
  5. Step 5: Solve for x
    x = 309,704,328,530,143,509,217,280/505,404,492,345.90
  6. Step 6: Final answer
    x = 612,785,072,591.28

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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.