Home / 448,404,001.40-672,606,002.10-419,706,187.40

Finding the Fourth Proportional to 448,404,001.40, 672,606,002.10 and 419,706,187.40

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Solution

The fourth proportional to 448,404,001.40, 672,606,002.10 and 419,706,187.40 is: 629,559,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,404,001.40 : 672,606,002.10 = 419,706,187.40 : x
  2. Step 2: Convert to fraction form
    448,404,001.40/672,606,002.10 = 419,706,187.40/x
  3. Step 3: Cross multiply
    448,404,001.40x = 672,606,002.10 × 419,706,187.40
  4. Step 4: Simplify right side
    448,404,001.40x = 282,296,900,763,747,392
  5. Step 5: Solve for x
    x = 282,296,900,763,747,392/448,404,001.40
  6. Step 6: Final answer
    x = 629,559,281.10

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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.