Home / 1,034,390,729.40-1,551,582,011.70-307,379,441.40

Finding the Fourth Proportional to 1,034,390,729.40, 1,551,582,011.70 and 307,379,441.40

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Solution

The fourth proportional to 1,034,390,729.40, 1,551,582,011.70 and 307,379,441.40 is: 461,067,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,390,729.40 : 1,551,582,011.70 = 307,379,441.40 : x
  2. Step 2: Convert to fraction form
    1,034,390,729.40/1,551,582,011.70 = 307,379,441.40/x
  3. Step 3: Cross multiply
    1,034,390,729.40x = 1,551,582,011.70 × 307,379,441.40
  4. Step 4: Simplify right side
    1,034,390,729.40x = 476,924,412,042,634,240
  5. Step 5: Solve for x
    x = 476,924,412,042,634,240/1,034,390,729.40
  6. Step 6: Final answer
    x = 461,067,948.97

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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.