Home / 64,668,395,972.44-89,208,959,227.41-40,920,380,931.16

Finding the Fourth Proportional to 64,668,395,972.44, 89,208,959,227.41 and 40,920,380,931.16

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Solution

The fourth proportional to 64,668,395,972.44, 89,208,959,227.41 and 40,920,380,931.16 is: 56,448,973,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668,395,972.44 : 89,208,959,227.41 = 40,920,380,931.16 : x
  2. Step 2: Convert to fraction form
    64,668,395,972.44/89,208,959,227.41 = 40,920,380,931.16/x
  3. Step 3: Cross multiply
    64,668,395,972.44x = 89,208,959,227.41 × 40,920,380,931.16
  4. Step 4: Simplify right side
    64,668,395,972.44x = 3,650,464,594,057,938,599,936
  5. Step 5: Solve for x
    x = 3,650,464,594,057,938,599,936/64,668,395,972.44
  6. Step 6: Final answer
    x = 56,448,973,863.74

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Double scale
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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.