Home / 1,528,002,863.70-2,292,004,295.55-437,485,931.70

Finding the Fourth Proportional to 1,528,002,863.70, 2,292,004,295.55 and 437,485,931.70

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Solution

The fourth proportional to 1,528,002,863.70, 2,292,004,295.55 and 437,485,931.70 is: 656,228,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,002,863.70 : 2,292,004,295.55 = 437,485,931.70 : x
  2. Step 2: Convert to fraction form
    1,528,002,863.70/2,292,004,295.55 = 437,485,931.70/x
  3. Step 3: Cross multiply
    1,528,002,863.70x = 2,292,004,295.55 × 437,485,931.70
  4. Step 4: Simplify right side
    1,528,002,863.70x = 1,002,719,634,699,094,016
  5. Step 5: Solve for x
    x = 1,002,719,634,699,094,016/1,528,002,863.70
  6. Step 6: Final answer
    x = 656,228,897.55

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Half scale
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Double scale
Find fourth proportional to 1,528,002,864.70, 2,292,004,297.05 and 437,485,932.70
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.