Home / 920,295,563.16-1,270,039,217.24-544,274,483.61

Finding the Fourth Proportional to 920,295,563.16, 1,270,039,217.24 and 544,274,483.61

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Solution

The fourth proportional to 920,295,563.16, 1,270,039,217.24 and 544,274,483.61 is: 751,117,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,295,563.16 : 1,270,039,217.24 = 544,274,483.61 : x
  2. Step 2: Convert to fraction form
    920,295,563.16/1,270,039,217.24 = 544,274,483.61/x
  3. Step 3: Cross multiply
    920,295,563.16x = 1,270,039,217.24 × 544,274,483.61
  4. Step 4: Simplify right side
    920,295,563.16x = 691,249,939,130,150,144
  5. Step 5: Solve for x
    x = 691,249,939,130,150,144/920,295,563.16
  6. Step 6: Final answer
    x = 751,117,322.30

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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.