Home / 2,115,477,074.42-3,173,229,133.74-621,502,507.82

Finding the Fourth Proportional to 2,115,477,074.42, 3,173,229,133.74 and 621,502,507.82

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Solution

The fourth proportional to 2,115,477,074.42, 3,173,229,133.74 and 621,502,507.82 is: 932,257,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,477,074.42 : 3,173,229,133.74 = 621,502,507.82 : x
  2. Step 2: Convert to fraction form
    2,115,477,074.42/3,173,229,133.74 = 621,502,507.82/x
  3. Step 3: Cross multiply
    2,115,477,074.42x = 3,173,229,133.74 × 621,502,507.82
  4. Step 4: Simplify right side
    2,115,477,074.42x = 1,972,169,864,506,896,128
  5. Step 5: Solve for x
    x = 1,972,169,864,506,896,128/2,115,477,074.42
  6. Step 6: Final answer
    x = 932,257,734.37

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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.