Home / 672,605,178.40-1,008,907,767.60-565,466,672.80

Finding the Fourth Proportional to 672,605,178.40, 1,008,907,767.60 and 565,466,672.80

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Solution

The fourth proportional to 672,605,178.40, 1,008,907,767.60 and 565,466,672.80 is: 848,200,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,178.40 : 1,008,907,767.60 = 565,466,672.80 : x
  2. Step 2: Convert to fraction form
    672,605,178.40/1,008,907,767.60 = 565,466,672.80/x
  3. Step 3: Cross multiply
    672,605,178.40x = 1,008,907,767.60 × 565,466,672.80
  4. Step 4: Simplify right side
    672,605,178.40x = 570,503,718,506,847,616
  5. Step 5: Solve for x
    x = 570,503,718,506,847,616/672,605,178.40
  6. Step 6: Final answer
    x = 848,200,009.20

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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.