Home / 299,450,130.40-448,419,368.40-196,657,631.20

Finding the Fourth Proportional to 299,450,130.40, 448,419,368.40 and 196,657,631.20

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Solution

The fourth proportional to 299,450,130.40, 448,419,368.40 and 196,657,631.20 is: 294,490,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,450,130.40 : 448,419,368.40 = 196,657,631.20 : x
  2. Step 2: Convert to fraction form
    299,450,130.40/448,419,368.40 = 196,657,631.20/x
  3. Step 3: Cross multiply
    299,450,130.40x = 448,419,368.40 × 196,657,631.20
  4. Step 4: Simplify right side
    299,450,130.40x = 88,185,090,773,744,128
  5. Step 5: Solve for x
    x = 88,185,090,773,744,128/299,450,130.40
  6. Step 6: Final answer
    x = 294,490,073.04

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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.