Home / 210,806,183,030.40-290,912,532,581.97-120,585,636,654.53

Finding the Fourth Proportional to 210,806,183,030.40, 290,912,532,581.97 and 120,585,636,654.53

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Solution

The fourth proportional to 210,806,183,030.40, 290,912,532,581.97 and 120,585,636,654.53 is: 166,408,178,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,806,183,030.40 : 290,912,532,581.97 = 120,585,636,654.53 : x
  2. Step 2: Convert to fraction form
    210,806,183,030.40/290,912,532,581.97 = 120,585,636,654.53/x
  3. Step 3: Cross multiply
    210,806,183,030.40x = 290,912,532,581.97 × 120,585,636,654.53
  4. Step 4: Simplify right side
    210,806,183,030.40x = 35,079,872,952,178,552,340,480
  5. Step 5: Solve for x
    x = 35,079,872,952,178,552,340,480/210,806,183,030.40
  6. Step 6: Final answer
    x = 166,408,178,583.26

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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.