Home / 448,464,523.20-672,696,784.80-141,850,622.40

Finding the Fourth Proportional to 448,464,523.20, 672,696,784.80 and 141,850,622.40

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Solution

The fourth proportional to 448,464,523.20, 672,696,784.80 and 141,850,622.40 is: 212,775,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,464,523.20 : 672,696,784.80 = 141,850,622.40 : x
  2. Step 2: Convert to fraction form
    448,464,523.20/672,696,784.80 = 141,850,622.40/x
  3. Step 3: Cross multiply
    448,464,523.20x = 672,696,784.80 × 141,850,622.40
  4. Step 4: Simplify right side
    448,464,523.20x = 95,422,457,610,358,864
  5. Step 5: Solve for x
    x = 95,422,457,610,358,864/448,464,523.20
  6. Step 6: Final answer
    x = 212,775,933.60

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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.