Home / 453,497,126,505.60-680,245,689,758.40-139,387,435,420.80

Finding the Fourth Proportional to 453,497,126,505.60, 680,245,689,758.40 and 139,387,435,420.80

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Solution

The fourth proportional to 453,497,126,505.60, 680,245,689,758.40 and 139,387,435,420.80 is: 209,081,153,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,497,126,505.60 : 680,245,689,758.40 = 139,387,435,420.80 : x
  2. Step 2: Convert to fraction form
    453,497,126,505.60/680,245,689,758.40 = 139,387,435,420.80/x
  3. Step 3: Cross multiply
    453,497,126,505.60x = 680,245,689,758.40 × 139,387,435,420.80
  4. Step 4: Simplify right side
    453,497,126,505.60x = 94,817,702,151,476,530,380,800
  5. Step 5: Solve for x
    x = 94,817,702,151,476,530,380,800/453,497,126,505.60
  6. Step 6: Final answer
    x = 209,081,153,131.20

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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.