Home / 541,731,528.90-747,635,616.83-306,823,978.08

Finding the Fourth Proportional to 541,731,528.90, 747,635,616.83 and 306,823,978.08

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Solution

The fourth proportional to 541,731,528.90, 747,635,616.83 and 306,823,978.08 is: 423,443,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,731,528.90 : 747,635,616.83 = 306,823,978.08 : x
  2. Step 2: Convert to fraction form
    541,731,528.90/747,635,616.83 = 306,823,978.08/x
  3. Step 3: Cross multiply
    541,731,528.90x = 747,635,616.83 × 306,823,978.08
  4. Step 4: Simplify right side
    541,731,528.90x = 229,392,534,110,075,200
  5. Step 5: Solve for x
    x = 229,392,534,110,075,200/541,731,528.90
  6. Step 6: Final answer
    x = 423,443,203.64

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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.