Home / 216,683,488,308.61-299,023,912,584.81-120,339,574,771.49

Finding the Fourth Proportional to 216,683,488,308.61, 299,023,912,584.81 and 120,339,574,771.49

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Solution

The fourth proportional to 216,683,488,308.61, 299,023,912,584.81 and 120,339,574,771.49 is: 166,069,001,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,683,488,308.61 : 299,023,912,584.81 = 120,339,574,771.49 : x
  2. Step 2: Convert to fraction form
    216,683,488,308.61/299,023,912,584.81 = 120,339,574,771.49/x
  3. Step 3: Cross multiply
    216,683,488,308.61x = 299,023,912,584.81 × 120,339,574,771.49
  4. Step 4: Simplify right side
    216,683,488,308.61x = 35,984,410,486,963,234,144,256
  5. Step 5: Solve for x
    x = 35,984,410,486,963,234,144,256/216,683,488,308.61
  6. Step 6: Final answer
    x = 166,069,001,232.40

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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.