Home / 718,768,101.39-1,078,271,283.24-252,308,495.63

Finding the Fourth Proportional to 718,768,101.39, 1,078,271,283.24 and 252,308,495.63

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Solution

The fourth proportional to 718,768,101.39, 1,078,271,283.24 and 252,308,495.63 is: 378,504,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,768,101.39 : 1,078,271,283.24 = 252,308,495.63 : x
  2. Step 2: Convert to fraction form
    718,768,101.39/1,078,271,283.24 = 252,308,495.63/x
  3. Step 3: Cross multiply
    718,768,101.39x = 1,078,271,283.24 × 252,308,495.63
  4. Step 4: Simplify right side
    718,768,101.39x = 272,057,005,349,922,688
  5. Step 5: Solve for x
    x = 272,057,005,349,922,688/718,768,101.39
  6. Step 6: Final answer
    x = 378,504,561.94

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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.