Home / 521,520,782,495.18-782,281,173,742.77-362,833,350,200.78

Finding the Fourth Proportional to 521,520,782,495.18, 782,281,173,742.77 and 362,833,350,200.78

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Solution

The fourth proportional to 521,520,782,495.18, 782,281,173,742.77 and 362,833,350,200.78 is: 544,250,025,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,495.18 : 782,281,173,742.77 = 362,833,350,200.78 : x
  2. Step 2: Convert to fraction form
    521,520,782,495.18/782,281,173,742.77 = 362,833,350,200.78/x
  3. Step 3: Cross multiply
    521,520,782,495.18x = 782,281,173,742.77 × 362,833,350,200.78
  4. Step 4: Simplify right side
    521,520,782,495.18x = 283,837,699,068,087,733,583,872
  5. Step 5: Solve for x
    x = 283,837,699,068,087,733,583,872/521,520,782,495.18
  6. Step 6: Final answer
    x = 544,250,025,301.17

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Similar ratio
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1.5x scale

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.