Home / 661,549,186.94-912,909,910.91-360,128,231.51

Finding the Fourth Proportional to 661,549,186.94, 912,909,910.91 and 360,128,231.51

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Solution

The fourth proportional to 661,549,186.94, 912,909,910.91 and 360,128,231.51 is: 496,961,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,549,186.94 : 912,909,910.91 = 360,128,231.51 : x
  2. Step 2: Convert to fraction form
    661,549,186.94/912,909,910.91 = 360,128,231.51/x
  3. Step 3: Cross multiply
    661,549,186.94x = 912,909,910.91 × 360,128,231.51
  4. Step 4: Simplify right side
    661,549,186.94x = 328,764,631,737,604,736
  5. Step 5: Solve for x
    x = 328,764,631,737,604,736/661,549,186.94
  6. Step 6: Final answer
    x = 496,961,735.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.