Home / 64,668,396,013.94-89,208,959,284.68-40,920,380,972.66

Finding the Fourth Proportional to 64,668,396,013.94, 89,208,959,284.68 and 40,920,380,972.66

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Solution

The fourth proportional to 64,668,396,013.94, 89,208,959,284.68 and 40,920,380,972.66 is: 56,448,973,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668,396,013.94 : 89,208,959,284.68 = 40,920,380,972.66 : x
  2. Step 2: Convert to fraction form
    64,668,396,013.94/89,208,959,284.68 = 40,920,380,972.66/x
  3. Step 3: Cross multiply
    64,668,396,013.94x = 89,208,959,284.68 × 40,920,380,972.66
  4. Step 4: Simplify right side
    64,668,396,013.94x = 3,650,464,600,103,619,919,872
  5. Step 5: Solve for x
    x = 3,650,464,600,103,619,919,872/64,668,396,013.94
  6. Step 6: Final answer
    x = 56,448,973,921.00

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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.