Home / 674,326,010.10-1,011,489,015.15-189,651,818.10

Finding the Fourth Proportional to 674,326,010.10, 1,011,489,015.15 and 189,651,818.10

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Solution

The fourth proportional to 674,326,010.10, 1,011,489,015.15 and 189,651,818.10 is: 284,477,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,326,010.10 : 1,011,489,015.15 = 189,651,818.10 : x
  2. Step 2: Convert to fraction form
    674,326,010.10/1,011,489,015.15 = 189,651,818.10/x
  3. Step 3: Cross multiply
    674,326,010.10x = 1,011,489,015.15 × 189,651,818.10
  4. Step 4: Simplify right side
    674,326,010.10x = 191,830,730,711,375,936
  5. Step 5: Solve for x
    x = 191,830,730,711,375,936/674,326,010.10
  6. Step 6: Final answer
    x = 284,477,727.15

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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.