Home / 2,117,349,156.96-2,919,914,014.32-1,401,751,939.68

Finding the Fourth Proportional to 2,117,349,156.96, 2,919,914,014.32 and 1,401,751,939.68

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Solution

The fourth proportional to 2,117,349,156.96, 2,919,914,014.32 and 1,401,751,939.68 is: 1,933,075,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,349,156.96 : 2,919,914,014.32 = 1,401,751,939.68 : x
  2. Step 2: Convert to fraction form
    2,117,349,156.96/2,919,914,014.32 = 1,401,751,939.68/x
  3. Step 3: Cross multiply
    2,117,349,156.96x = 2,919,914,014.32 × 1,401,751,939.68
  4. Step 4: Simplify right side
    2,117,349,156.96x = 4,092,995,133,271,875,584
  5. Step 5: Solve for x
    x = 4,092,995,133,271,875,584/2,117,349,156.96
  6. Step 6: Final answer
    x = 1,933,075,194.43

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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.