Home / 1,572,565,782.81-2,358,852,031.26-639,229,907.82

Finding the Fourth Proportional to 1,572,565,782.81, 2,358,852,031.26 and 639,229,907.82

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Solution

The fourth proportional to 1,572,565,782.81, 2,358,852,031.26 and 639,229,907.82 is: 958,846,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,565,782.81 : 2,358,852,031.26 = 639,229,907.82 : x
  2. Step 2: Convert to fraction form
    1,572,565,782.81/2,358,852,031.26 = 639,229,907.82/x
  3. Step 3: Cross multiply
    1,572,565,782.81x = 2,358,852,031.26 × 639,229,907.82
  4. Step 4: Simplify right side
    1,572,565,782.81x = 1,507,848,766,503,349,760
  5. Step 5: Solve for x
    x = 1,507,848,766,503,349,760/1,572,565,782.81
  6. Step 6: Final answer
    x = 958,846,226.33

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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.