Home / 1,093,065,415.20-1,639,598,122.80-316,736,402.40

Finding the Fourth Proportional to 1,093,065,415.20, 1,639,598,122.80 and 316,736,402.40

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Solution

The fourth proportional to 1,093,065,415.20, 1,639,598,122.80 and 316,736,402.40 is: 475,104,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,065,415.20 : 1,639,598,122.80 = 316,736,402.40 : x
  2. Step 2: Convert to fraction form
    1,093,065,415.20/1,639,598,122.80 = 316,736,402.40/x
  3. Step 3: Cross multiply
    1,093,065,415.20x = 1,639,598,122.80 × 316,736,402.40
  4. Step 4: Simplify right side
    1,093,065,415.20x = 519,320,410,797,465,344
  5. Step 5: Solve for x
    x = 519,320,410,797,465,344/1,093,065,415.20
  6. Step 6: Final answer
    x = 475,104,603.60

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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.