Home / 538,004,047.60-807,006,071.40-489,536,628.40

Finding the Fourth Proportional to 538,004,047.60, 807,006,071.40 and 489,536,628.40

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Solution

The fourth proportional to 538,004,047.60, 807,006,071.40 and 489,536,628.40 is: 734,304,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,004,047.60 : 807,006,071.40 = 489,536,628.40 : x
  2. Step 2: Convert to fraction form
    538,004,047.60/807,006,071.40 = 489,536,628.40/x
  3. Step 3: Cross multiply
    538,004,047.60x = 807,006,071.40 × 489,536,628.40
  4. Step 4: Simplify right side
    538,004,047.60x = 395,059,031,291,485,632
  5. Step 5: Solve for x
    x = 395,059,031,291,485,632/538,004,047.60
  6. Step 6: Final answer
    x = 734,304,942.60

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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.