Home / 210,806,183,023.76-290,912,532,572.90-120,585,636,647.88

Finding the Fourth Proportional to 210,806,183,023.76, 290,912,532,572.90 and 120,585,636,647.88

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Solution

The fourth proportional to 210,806,183,023.76, 290,912,532,572.90 and 120,585,636,647.88 is: 166,408,178,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,806,183,023.76 : 290,912,532,572.90 = 120,585,636,647.88 : x
  2. Step 2: Convert to fraction form
    210,806,183,023.76/290,912,532,572.90 = 120,585,636,647.88/x
  3. Step 3: Cross multiply
    210,806,183,023.76x = 290,912,532,572.90 × 120,585,636,647.88
  4. Step 4: Simplify right side
    210,806,183,023.76x = 35,079,872,949,150,277,435,392
  5. Step 5: Solve for x
    x = 35,079,872,949,150,277,435,392/210,806,183,023.76
  6. Step 6: Final answer
    x = 166,408,178,574.14

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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.