Home / 340,402,183,661.40-510,603,275,492.10-206,312,391,763.80

Finding the Fourth Proportional to 340,402,183,661.40, 510,603,275,492.10 and 206,312,391,763.80

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Solution

The fourth proportional to 340,402,183,661.40, 510,603,275,492.10 and 206,312,391,763.80 is: 309,468,587,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402,183,661.40 : 510,603,275,492.10 = 206,312,391,763.80 : x
  2. Step 2: Convert to fraction form
    340,402,183,661.40/510,603,275,492.10 = 206,312,391,763.80/x
  3. Step 3: Cross multiply
    340,402,183,661.40x = 510,603,275,492.10 × 206,312,391,763.80
  4. Step 4: Simplify right side
    340,402,183,661.40x = 105,343,783,009,205,629,222,912
  5. Step 5: Solve for x
    x = 105,343,783,009,205,629,222,912/340,402,183,661.40
  6. Step 6: Final answer
    x = 309,468,587,645.70

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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.