Home / 882,629,589.61-1,218,028,775.93-511,566,856.21

Finding the Fourth Proportional to 882,629,589.61, 1,218,028,775.93 and 511,566,856.21

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Solution

The fourth proportional to 882,629,589.61, 1,218,028,775.93 and 511,566,856.21 is: 705,962,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,589.61 : 1,218,028,775.93 = 511,566,856.21 : x
  2. Step 2: Convert to fraction form
    882,629,589.61/1,218,028,775.93 = 511,566,856.21/x
  3. Step 3: Cross multiply
    882,629,589.61x = 1,218,028,775.93 × 511,566,856.21
  4. Step 4: Simplify right side
    882,629,589.61x = 623,103,151,675,824,640
  5. Step 5: Solve for x
    x = 623,103,151,675,824,640/882,629,589.61
  6. Step 6: Final answer
    x = 705,962,228.11

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Half scale
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Double scale
Find fourth proportional to 882,629,590.61, 1,218,028,777.31 and 511,566,857.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.