Home / 998,012,729.60-1,497,019,094.40-445,314,089.60

Finding the Fourth Proportional to 998,012,729.60, 1,497,019,094.40 and 445,314,089.60

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Solution

The fourth proportional to 998,012,729.60, 1,497,019,094.40 and 445,314,089.60 is: 667,971,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,012,729.60 : 1,497,019,094.40 = 445,314,089.60 : x
  2. Step 2: Convert to fraction form
    998,012,729.60/1,497,019,094.40 = 445,314,089.60/x
  3. Step 3: Cross multiply
    998,012,729.60x = 1,497,019,094.40 × 445,314,089.60
  4. Step 4: Simplify right side
    998,012,729.60x = 666,643,695,136,552,576
  5. Step 5: Solve for x
    x = 666,643,695,136,552,576/998,012,729.60
  6. Step 6: Final answer
    x = 667,971,134.40

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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.