Home / 1,412,143,216.32-2,118,521,252.34-429,544,218.12

Finding the Fourth Proportional to 1,412,143,216.32, 2,118,521,252.34 and 429,544,218.12

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Solution

The fourth proportional to 1,412,143,216.32, 2,118,521,252.34 and 429,544,218.12 is: 644,409,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,143,216.32 : 2,118,521,252.34 = 429,544,218.12 : x
  2. Step 2: Convert to fraction form
    1,412,143,216.32/2,118,521,252.34 = 429,544,218.12/x
  3. Step 3: Cross multiply
    1,412,143,216.32x = 2,118,521,252.34 × 429,544,218.12
  4. Step 4: Simplify right side
    1,412,143,216.32x = 909,998,554,906,988,544
  5. Step 5: Solve for x
    x = 909,998,554,906,988,544/1,412,143,216.32
  6. Step 6: Final answer
    x = 644,409,536.08

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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.