Home / 1,048,142,729.80-1,572,214,094.70-321,036,963.40

Finding the Fourth Proportional to 1,048,142,729.80, 1,572,214,094.70 and 321,036,963.40

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Solution

The fourth proportional to 1,048,142,729.80, 1,572,214,094.70 and 321,036,963.40 is: 481,555,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,729.80 : 1,572,214,094.70 = 321,036,963.40 : x
  2. Step 2: Convert to fraction form
    1,048,142,729.80/1,572,214,094.70 = 321,036,963.40/x
  3. Step 3: Cross multiply
    1,048,142,729.80x = 1,572,214,094.70 × 321,036,963.40
  4. Step 4: Simplify right side
    1,048,142,729.80x = 504,738,838,777,168,000
  5. Step 5: Solve for x
    x = 504,738,838,777,168,000/1,048,142,729.80
  6. Step 6: Final answer
    x = 481,555,445.10

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Double scale
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Similar ratio
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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.