Home / 340,402,183,610.40-510,603,275,415.60-206,312,391,712.80

Finding the Fourth Proportional to 340,402,183,610.40, 510,603,275,415.60 and 206,312,391,712.80

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Solution

The fourth proportional to 340,402,183,610.40, 510,603,275,415.60 and 206,312,391,712.80 is: 309,468,587,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402,183,610.40 : 510,603,275,415.60 = 206,312,391,712.80 : x
  2. Step 2: Convert to fraction form
    340,402,183,610.40/510,603,275,415.60 = 206,312,391,712.80/x
  3. Step 3: Cross multiply
    340,402,183,610.40x = 510,603,275,415.60 × 206,312,391,712.80
  4. Step 4: Simplify right side
    340,402,183,610.40x = 105,343,782,967,381,959,114,752
  5. Step 5: Solve for x
    x = 105,343,782,967,381,959,114,752/340,402,183,610.40
  6. Step 6: Final answer
    x = 309,468,587,569.20

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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.