Home / 340,402,183,674.90-510,603,275,512.35-206,312,391,777.30

Finding the Fourth Proportional to 340,402,183,674.90, 510,603,275,512.35 and 206,312,391,777.30

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Solution

The fourth proportional to 340,402,183,674.90, 510,603,275,512.35 and 206,312,391,777.30 is: 309,468,587,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402,183,674.90 : 510,603,275,512.35 = 206,312,391,777.30 : x
  2. Step 2: Convert to fraction form
    340,402,183,674.90/510,603,275,512.35 = 206,312,391,777.30/x
  3. Step 3: Cross multiply
    340,402,183,674.90x = 510,603,275,512.35 × 206,312,391,777.30
  4. Step 4: Simplify right side
    340,402,183,674.90x = 105,343,783,020,276,595,294,208
  5. Step 5: Solve for x
    x = 105,343,783,020,276,595,294,208/340,402,183,674.90
  6. Step 6: Final answer
    x = 309,468,587,665.95

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1.5x scale

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.