Home / 538,888,407.78-808,327,222.88-170,423,422.80

Finding the Fourth Proportional to 538,888,407.78, 808,327,222.88 and 170,423,422.80

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Solution

The fourth proportional to 538,888,407.78, 808,327,222.88 and 170,423,422.80 is: 255,633,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,888,407.78 : 808,327,222.88 = 170,423,422.80 : x
  2. Step 2: Convert to fraction form
    538,888,407.78/808,327,222.88 = 170,423,422.80/x
  3. Step 3: Cross multiply
    538,888,407.78x = 808,327,222.88 × 170,423,422.80
  4. Step 4: Simplify right side
    538,888,407.78x = 137,757,892,066,773,232
  5. Step 5: Solve for x
    x = 137,757,892,066,773,232/538,888,407.78
  6. Step 6: Final answer
    x = 255,633,430.00

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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.