Home / 1,520,720,655.48-2,282,040,529.47-647,320,597.92

Finding the Fourth Proportional to 1,520,720,655.48, 2,282,040,529.47 and 647,320,597.92

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Solution

The fourth proportional to 1,520,720,655.48, 2,282,040,529.47 and 647,320,597.92 is: 971,389,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,720,655.48 : 2,282,040,529.47 = 647,320,597.92 : x
  2. Step 2: Convert to fraction form
    1,520,720,655.48/2,282,040,529.47 = 647,320,597.92/x
  3. Step 3: Cross multiply
    1,520,720,655.48x = 2,282,040,529.47 × 647,320,597.92
  4. Step 4: Simplify right side
    1,520,720,655.48x = 1,477,211,840,014,193,664
  5. Step 5: Solve for x
    x = 1,477,211,840,014,193,664/1,520,720,655.48
  6. Step 6: Final answer
    x = 971,389,344.05

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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.