Home / 785,575,208.73-1,178,320,100.97-240,316,742.73

Finding the Fourth Proportional to 785,575,208.73, 1,178,320,100.97 and 240,316,742.73

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Solution

The fourth proportional to 785,575,208.73, 1,178,320,100.97 and 240,316,742.73 is: 360,462,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,575,208.73 : 1,178,320,100.97 = 240,316,742.73 : x
  2. Step 2: Convert to fraction form
    785,575,208.73/1,178,320,100.97 = 240,316,742.73/x
  3. Step 3: Cross multiply
    785,575,208.73x = 1,178,320,100.97 × 240,316,742.73
  4. Step 4: Simplify right side
    785,575,208.73x = 283,170,048,558,395,104
  5. Step 5: Solve for x
    x = 283,170,048,558,395,104/785,575,208.73
  6. Step 6: Final answer
    x = 360,462,047.95

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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.