Home / 770,348,142.16-1,063,082,496.72-417,924,132.88

Finding the Fourth Proportional to 770,348,142.16, 1,063,082,496.72 and 417,924,132.88

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Solution

The fourth proportional to 770,348,142.16, 1,063,082,496.72 and 417,924,132.88 is: 576,736,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,348,142.16 : 1,063,082,496.72 = 417,924,132.88 : x
  2. Step 2: Convert to fraction form
    770,348,142.16/1,063,082,496.72 = 417,924,132.88/x
  3. Step 3: Cross multiply
    770,348,142.16x = 1,063,082,496.72 × 417,924,132.88
  4. Step 4: Simplify right side
    770,348,142.16x = 444,287,830,621,611,456
  5. Step 5: Solve for x
    x = 444,287,830,621,611,456/770,348,142.16
  6. Step 6: Final answer
    x = 576,736,421.24

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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.