Home / 669,191,722.60-1,003,787,583.90-531,442,215.40

Finding the Fourth Proportional to 669,191,722.60, 1,003,787,583.90 and 531,442,215.40

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Solution

The fourth proportional to 669,191,722.60, 1,003,787,583.90 and 531,442,215.40 is: 797,163,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,191,722.60 : 1,003,787,583.90 = 531,442,215.40 : x
  2. Step 2: Convert to fraction form
    669,191,722.60/1,003,787,583.90 = 531,442,215.40/x
  3. Step 3: Cross multiply
    669,191,722.60x = 1,003,787,583.90 × 531,442,215.40
  4. Step 4: Simplify right side
    669,191,722.60x = 533,455,097,378,829,312
  5. Step 5: Solve for x
    x = 533,455,097,378,829,312/669,191,722.60
  6. Step 6: Final answer
    x = 797,163,323.10

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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.