Home / 1,034,390,328.40-1,551,581,410.20-307,379,040.40

Finding the Fourth Proportional to 1,034,390,328.40, 1,551,581,410.20 and 307,379,040.40

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Solution

The fourth proportional to 1,034,390,328.40, 1,551,581,410.20 and 307,379,040.40 is: 461,067,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,390,328.40 : 1,551,581,410.20 = 307,379,040.40 : x
  2. Step 2: Convert to fraction form
    1,034,390,328.40/1,551,581,410.20 = 307,379,040.40/x
  3. Step 3: Cross multiply
    1,034,390,328.40x = 1,551,581,410.20 × 307,379,040.40
  4. Step 4: Simplify right side
    1,034,390,328.40x = 476,923,604,969,754,752
  5. Step 5: Solve for x
    x = 476,923,604,969,754,752/1,034,390,328.40
  6. Step 6: Final answer
    x = 461,067,347.48

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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.