Home / 693,836,655.12-957,708,987.69-446,318,009.37

Finding the Fourth Proportional to 693,836,655.12, 957,708,987.69 and 446,318,009.37

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Solution

The fourth proportional to 693,836,655.12, 957,708,987.69 and 446,318,009.37 is: 616,056,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,836,655.12 : 957,708,987.69 = 446,318,009.37 : x
  2. Step 2: Convert to fraction form
    693,836,655.12/957,708,987.69 = 446,318,009.37/x
  3. Step 3: Cross multiply
    693,836,655.12x = 957,708,987.69 × 446,318,009.37
  4. Step 4: Simplify right side
    693,836,655.12x = 427,442,768,941,558,656
  5. Step 5: Solve for x
    x = 427,442,768,941,558,656/693,836,655.12
  6. Step 6: Final answer
    x = 616,056,770.40

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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.