Home / 674,326,007.10-1,011,489,010.65-189,651,815.10

Finding the Fourth Proportional to 674,326,007.10, 1,011,489,010.65 and 189,651,815.10

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Solution

The fourth proportional to 674,326,007.10, 1,011,489,010.65 and 189,651,815.10 is: 284,477,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,326,007.10 : 1,011,489,010.65 = 189,651,815.10 : x
  2. Step 2: Convert to fraction form
    674,326,007.10/1,011,489,010.65 = 189,651,815.10/x
  3. Step 3: Cross multiply
    674,326,007.10x = 1,011,489,010.65 × 189,651,815.10
  4. Step 4: Simplify right side
    674,326,007.10x = 191,830,726,823,475,712
  5. Step 5: Solve for x
    x = 191,830,726,823,475,712/674,326,007.10
  6. Step 6: Final answer
    x = 284,477,722.65

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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.