Home / 51,659,856,590.40-77,489,784,885.60-45,129,509,582.40

Finding the Fourth Proportional to 51,659,856,590.40, 77,489,784,885.60 and 45,129,509,582.40

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Solution

The fourth proportional to 51,659,856,590.40, 77,489,784,885.60 and 45,129,509,582.40 is: 67,694,264,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659,856,590.40 : 77,489,784,885.60 = 45,129,509,582.40 : x
  2. Step 2: Convert to fraction form
    51,659,856,590.40/77,489,784,885.60 = 45,129,509,582.40/x
  3. Step 3: Cross multiply
    51,659,856,590.40x = 77,489,784,885.60 × 45,129,509,582.40
  4. Step 4: Simplify right side
    51,659,856,590.40x = 3,497,075,989,532,800,188,416
  5. Step 5: Solve for x
    x = 3,497,075,989,532,800,188,416/51,659,856,590.40
  6. Step 6: Final answer
    x = 67,694,264,373.60

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Double scale
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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.