Home / 384,346,554.33-530,398,756.47-208,134,853.59

Finding the Fourth Proportional to 384,346,554.33, 530,398,756.47 and 208,134,853.59

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Solution

The fourth proportional to 384,346,554.33, 530,398,756.47 and 208,134,853.59 is: 287,226,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,346,554.33 : 530,398,756.47 = 208,134,853.59 : x
  2. Step 2: Convert to fraction form
    384,346,554.33/530,398,756.47 = 208,134,853.59/x
  3. Step 3: Cross multiply
    384,346,554.33x = 530,398,756.47 × 208,134,853.59
  4. Step 4: Simplify right side
    384,346,554.33x = 110,394,467,519,922,288
  5. Step 5: Solve for x
    x = 110,394,467,519,922,288/384,346,554.33
  6. Step 6: Final answer
    x = 287,226,374.94

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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.