Home / 3,129,787,925.82-4,319,204,534.91-1,720,066,271.58

Finding the Fourth Proportional to 3,129,787,925.82, 4,319,204,534.91 and 1,720,066,271.58

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Solution

The fourth proportional to 3,129,787,925.82, 4,319,204,534.91 and 1,720,066,271.58 is: 2,373,744,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,787,925.82 : 4,319,204,534.91 = 1,720,066,271.58 : x
  2. Step 2: Convert to fraction form
    3,129,787,925.82/4,319,204,534.91 = 1,720,066,271.58/x
  3. Step 3: Cross multiply
    3,129,787,925.82x = 4,319,204,534.91 × 1,720,066,271.58
  4. Step 4: Simplify right side
    3,129,787,925.82x = 7,429,318,040,554,071,040
  5. Step 5: Solve for x
    x = 7,429,318,040,554,071,040/3,129,787,925.82
  6. Step 6: Final answer
    x = 2,373,744,872.38

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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.