Home / 973,043,622.40-1,457,530,540.80-455,915,430.40

Finding the Fourth Proportional to 973,043,622.40, 1,457,530,540.80 and 455,915,430.40

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Solution

The fourth proportional to 973,043,622.40, 1,457,530,540.80 and 455,915,430.40 is: 682,919,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,043,622.40 : 1,457,530,540.80 = 455,915,430.40 : x
  2. Step 2: Convert to fraction form
    973,043,622.40/1,457,530,540.80 = 455,915,430.40/x
  3. Step 3: Cross multiply
    973,043,622.40x = 1,457,530,540.80 × 455,915,430.40
  4. Step 4: Simplify right side
    973,043,622.40x = 664,510,663,829,976,704
  5. Step 5: Solve for x
    x = 664,510,663,829,976,704/973,043,622.40
  6. Step 6: Final answer
    x = 682,919,705.28

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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.