Home / 669,191,922.60-1,003,787,883.90-531,442,415.40

Finding the Fourth Proportional to 669,191,922.60, 1,003,787,883.90 and 531,442,415.40

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Solution

The fourth proportional to 669,191,922.60, 1,003,787,883.90 and 531,442,415.40 is: 797,163,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,191,922.60 : 1,003,787,883.90 = 531,442,415.40 : x
  2. Step 2: Convert to fraction form
    669,191,922.60/1,003,787,883.90 = 531,442,415.40/x
  3. Step 3: Cross multiply
    669,191,922.60x = 1,003,787,883.90 × 531,442,415.40
  4. Step 4: Simplify right side
    669,191,922.60x = 533,455,457,569,070,720
  5. Step 5: Solve for x
    x = 533,455,457,569,070,720/669,191,922.60
  6. Step 6: Final answer
    x = 797,163,623.10

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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.