Home / 1,671,842,813.12-2,507,764,662.59-491,423,341.22

Finding the Fourth Proportional to 1,671,842,813.12, 2,507,764,662.59 and 491,423,341.22

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Solution

The fourth proportional to 1,671,842,813.12, 2,507,764,662.59 and 491,423,341.22 is: 737,135,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,842,813.12 : 2,507,764,662.59 = 491,423,341.22 : x
  2. Step 2: Convert to fraction form
    1,671,842,813.12/2,507,764,662.59 = 491,423,341.22/x
  3. Step 3: Cross multiply
    1,671,842,813.12x = 2,507,764,662.59 × 491,423,341.22
  4. Step 4: Simplify right side
    1,671,842,813.12x = 1,232,374,089,468,427,776
  5. Step 5: Solve for x
    x = 1,232,374,089,468,427,776/1,671,842,813.12
  6. Step 6: Final answer
    x = 737,135,142.01

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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.