Home / 538,604,481.39-808,140,031.20-289,318,862.63

Finding the Fourth Proportional to 538,604,481.39, 808,140,031.20 and 289,318,862.63

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Solution

The fourth proportional to 538,604,481.39, 808,140,031.20 and 289,318,862.63 is: 434,103,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,604,481.39 : 808,140,031.20 = 289,318,862.63 : x
  2. Step 2: Convert to fraction form
    538,604,481.39/808,140,031.20 = 289,318,862.63/x
  3. Step 3: Cross multiply
    538,604,481.39x = 808,140,031.20 × 289,318,862.63
  4. Step 4: Simplify right side
    538,604,481.39x = 233,810,154,668,516,032
  5. Step 5: Solve for x
    x = 233,810,154,668,516,032/538,604,481.39
  6. Step 6: Final answer
    x = 434,103,619.16

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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.