Home / 786,833,846.96-1,085,925,926.35-447,824,752.02

Finding the Fourth Proportional to 786,833,846.96, 1,085,925,926.35 and 447,824,752.02

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Solution

The fourth proportional to 786,833,846.96, 1,085,925,926.35 and 447,824,752.02 is: 618,052,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,833,846.96 : 1,085,925,926.35 = 447,824,752.02 : x
  2. Step 2: Convert to fraction form
    786,833,846.96/1,085,925,926.35 = 447,824,752.02/x
  3. Step 3: Cross multiply
    786,833,846.96x = 1,085,925,926.35 × 447,824,752.02
  4. Step 4: Simplify right side
    786,833,846.96x = 486,304,508,680,314,944
  5. Step 5: Solve for x
    x = 486,304,508,680,314,944/786,833,846.96
  6. Step 6: Final answer
    x = 618,052,350.65

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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.