Home / 270,144,768,007.20-405,217,152,010.80-130,830,698,503.20

Finding the Fourth Proportional to 270,144,768,007.20, 405,217,152,010.80 and 130,830,698,503.20

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Solution

The fourth proportional to 270,144,768,007.20, 405,217,152,010.80 and 130,830,698,503.20 is: 196,246,047,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,144,768,007.20 : 405,217,152,010.80 = 130,830,698,503.20 : x
  2. Step 2: Convert to fraction form
    270,144,768,007.20/405,217,152,010.80 = 130,830,698,503.20/x
  3. Step 3: Cross multiply
    270,144,768,007.20x = 405,217,152,010.80 × 130,830,698,503.20
  4. Step 4: Simplify right side
    270,144,768,007.20x = 53,014,843,043,050,332,094,464
  5. Step 5: Solve for x
    x = 53,014,843,043,050,332,094,464/270,144,768,007.20
  6. Step 6: Final answer
    x = 196,246,047,754.80

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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.