Home / 955,276,394.88-1,432,860,694.56-423,334,616.16

Finding the Fourth Proportional to 955,276,394.88, 1,432,860,694.56 and 423,334,616.16

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Solution

The fourth proportional to 955,276,394.88, 1,432,860,694.56 and 423,334,616.16 is: 634,978,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,276,394.88 : 1,432,860,694.56 = 423,334,616.16 : x
  2. Step 2: Convert to fraction form
    955,276,394.88/1,432,860,694.56 = 423,334,616.16/x
  3. Step 3: Cross multiply
    955,276,394.88x = 1,432,860,694.56 × 423,334,616.16
  4. Step 4: Simplify right side
    955,276,394.88x = 606,579,532,142,308,608
  5. Step 5: Solve for x
    x = 606,579,532,142,308,608/955,276,394.88
  6. Step 6: Final answer
    x = 634,978,039.23

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1.5x scale

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.