Home / 505,404,492,347.40-697,051,520,653.20-444,306,223,221.38

Finding the Fourth Proportional to 505,404,492,347.40, 697,051,520,653.20 and 444,306,223,221.38

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Solution

The fourth proportional to 505,404,492,347.40, 697,051,520,653.20 and 444,306,223,221.38 is: 612,785,072,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,404,492,347.40 : 697,051,520,653.20 = 444,306,223,221.38 : x
  2. Step 2: Convert to fraction form
    505,404,492,347.40/697,051,520,653.20 = 444,306,223,221.38/x
  3. Step 3: Cross multiply
    505,404,492,347.40x = 697,051,520,653.20 × 444,306,223,221.38
  4. Step 4: Simplify right side
    505,404,492,347.40x = 309,704,328,532,143,017,820,160
  5. Step 5: Solve for x
    x = 309,704,328,532,143,017,820,160/505,404,492,347.40
  6. Step 6: Final answer
    x = 612,785,072,593.42

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1.5x scale

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.