Home / 604,752,142.80-907,128,214.20-298,642,126.80

Finding the Fourth Proportional to 604,752,142.80, 907,128,214.20 and 298,642,126.80

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Solution

The fourth proportional to 604,752,142.80, 907,128,214.20 and 298,642,126.80 is: 447,963,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,752,142.80 : 907,128,214.20 = 298,642,126.80 : x
  2. Step 2: Convert to fraction form
    604,752,142.80/907,128,214.20 = 298,642,126.80/x
  3. Step 3: Cross multiply
    604,752,142.80x = 907,128,214.20 × 298,642,126.80
  4. Step 4: Simplify right side
    604,752,142.80x = 270,906,699,168,973,984
  5. Step 5: Solve for x
    x = 270,906,699,168,973,984/604,752,142.80
  6. Step 6: Final answer
    x = 447,963,190.20

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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.