Home / 448,403,324.40-672,604,986.60-120,878,204.40

Finding the Fourth Proportional to 448,403,324.40, 672,604,986.60 and 120,878,204.40

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Solution

The fourth proportional to 448,403,324.40, 672,604,986.60 and 120,878,204.40 is: 181,317,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,324.40 : 672,604,986.60 = 120,878,204.40 : x
  2. Step 2: Convert to fraction form
    448,403,324.40/672,604,986.60 = 120,878,204.40/x
  3. Step 3: Cross multiply
    448,403,324.40x = 672,604,986.60 × 120,878,204.40
  4. Step 4: Simplify right side
    448,403,324.40x = 81,303,283,050,694,064
  5. Step 5: Solve for x
    x = 81,303,283,050,694,064/448,403,324.40
  6. Step 6: Final answer
    x = 181,317,306.60

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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.