Home / 945,132,893.10-1,415,431,858.05-459,891,830.70

Finding the Fourth Proportional to 945,132,893.10, 1,415,431,858.05 and 459,891,830.70

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Solution

The fourth proportional to 945,132,893.10, 1,415,431,858.05 and 459,891,830.70 is: 688,734,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,132,893.10 : 1,415,431,858.05 = 459,891,830.70 : x
  2. Step 2: Convert to fraction form
    945,132,893.10/1,415,431,858.05 = 459,891,830.70/x
  3. Step 3: Cross multiply
    945,132,893.10x = 1,415,431,858.05 × 459,891,830.70
  4. Step 4: Simplify right side
    945,132,893.10x = 650,945,548,429,716,992
  5. Step 5: Solve for x
    x = 650,945,548,429,716,992/945,132,893.10
  6. Step 6: Final answer
    x = 688,734,413.10

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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.