Home / 302,565,776.56-420,359,612.70-298,937,806.00

Finding the Fourth Proportional to 302,565,776.56, 420,359,612.70 and 298,937,806.00

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Solution

The fourth proportional to 302,565,776.56, 420,359,612.70 and 298,937,806.00 is: 415,319,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,565,776.56 : 420,359,612.70 = 298,937,806.00 : x
  2. Step 2: Convert to fraction form
    302,565,776.56/420,359,612.70 = 298,937,806.00/x
  3. Step 3: Cross multiply
    302,565,776.56x = 420,359,612.70 × 298,937,806.00
  4. Step 4: Simplify right side
    302,565,776.56x = 125,661,380,349,937,824
  5. Step 5: Solve for x
    x = 125,661,380,349,937,824/302,565,776.56
  6. Step 6: Final answer
    x = 415,319,213.49

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.