Home / 558,974,058.81-771,352,723.25-308,077,690.43

Finding the Fourth Proportional to 558,974,058.81, 771,352,723.25 and 308,077,690.43

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Solution

The fourth proportional to 558,974,058.81, 771,352,723.25 and 308,077,690.43 is: 425,129,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,974,058.81 : 771,352,723.25 = 308,077,690.43 : x
  2. Step 2: Convert to fraction form
    558,974,058.81/771,352,723.25 = 308,077,690.43/x
  3. Step 3: Cross multiply
    558,974,058.81x = 771,352,723.25 × 308,077,690.43
  4. Step 4: Simplify right side
    558,974,058.81x = 237,636,565,483,814,144
  5. Step 5: Solve for x
    x = 237,636,565,483,814,144/558,974,058.81
  6. Step 6: Final answer
    x = 425,129,863.79

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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.