Home / 770,348,140.88-1,063,082,494.98-417,924,131.58

Finding the Fourth Proportional to 770,348,140.88, 1,063,082,494.98 and 417,924,131.58

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Solution

The fourth proportional to 770,348,140.88, 1,063,082,494.98 and 417,924,131.58 is: 576,736,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,348,140.88 : 1,063,082,494.98 = 417,924,131.58 : x
  2. Step 2: Convert to fraction form
    770,348,140.88/1,063,082,494.98 = 417,924,131.58/x
  3. Step 3: Cross multiply
    770,348,140.88x = 1,063,082,494.98 × 417,924,131.58
  4. Step 4: Simplify right side
    770,348,140.88x = 444,287,828,512,416,192
  5. Step 5: Solve for x
    x = 444,287,828,512,416,192/770,348,140.88
  6. Step 6: Final answer
    x = 576,736,419.47

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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.