Home / 404,550,708-558,281,457.36-218,911,725.60

Finding the Fourth Proportional to 404,550,708, 558,281,457.36 and 218,911,725.60

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Solution

The fourth proportional to 404,550,708, 558,281,457.36 and 218,911,725.60 is: 302,098,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,550,708 : 558,281,457.36 = 218,911,725.60 : x
  2. Step 2: Convert to fraction form
    404,550,708/558,281,457.36 = 218,911,725.60/x
  3. Step 3: Cross multiply
    404,550,708x = 558,281,457.36 × 218,911,725.60
  4. Step 4: Simplify right side
    404,550,708x = 122,214,357,201,160,416
  5. Step 5: Solve for x
    x = 122,214,357,201,160,416/404,550,708
  6. Step 6: Final answer
    x = 302,098,982.36

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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.