Home / 1,065,684,380.34-1,598,676,784.31-328,814,197.49

Finding the Fourth Proportional to 1,065,684,380.34, 1,598,676,784.31 and 328,814,197.49

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Solution

The fourth proportional to 1,065,684,380.34, 1,598,676,784.31 and 328,814,197.49 is: 493,267,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,684,380.34 : 1,598,676,784.31 = 328,814,197.49 : x
  2. Step 2: Convert to fraction form
    1,065,684,380.34/1,598,676,784.31 = 328,814,197.49/x
  3. Step 3: Cross multiply
    1,065,684,380.34x = 1,598,676,784.31 × 328,814,197.49
  4. Step 4: Simplify right side
    1,065,684,380.34x = 525,667,623,878,786,496
  5. Step 5: Solve for x
    x = 525,667,623,878,786,496/1,065,684,380.34
  6. Step 6: Final answer
    x = 493,267,644.32

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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.