Home / 6,457,650,498.48-8,911,557,346.72-3,487,426,463.28

Finding the Fourth Proportional to 6,457,650,498.48, 8,911,557,346.72 and 3,487,426,463.28

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Solution

The fourth proportional to 6,457,650,498.48, 8,911,557,346.72 and 3,487,426,463.28 is: 4,812,648,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,650,498.48 : 8,911,557,346.72 = 3,487,426,463.28 : x
  2. Step 2: Convert to fraction form
    6,457,650,498.48/8,911,557,346.72 = 3,487,426,463.28/x
  3. Step 3: Cross multiply
    6,457,650,498.48x = 8,911,557,346.72 × 3,487,426,463.28
  4. Step 4: Simplify right side
    6,457,650,498.48x = 31,078,400,919,988,629,504
  5. Step 5: Solve for x
    x = 31,078,400,919,988,629,504/6,457,650,498.48
  6. Step 6: Final answer
    x = 4,812,648,335.07

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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.