Home / 1,470,043,772.69-2,203,495,507.18-838,415,956.51

Finding the Fourth Proportional to 1,470,043,772.69, 2,203,495,507.18 and 838,415,956.51

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Solution

The fourth proportional to 1,470,043,772.69, 2,203,495,507.18 and 838,415,956.51 is: 1,256,728,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,043,772.69 : 2,203,495,507.18 = 838,415,956.51 : x
  2. Step 2: Convert to fraction form
    1,470,043,772.69/2,203,495,507.18 = 838,415,956.51/x
  3. Step 3: Cross multiply
    1,470,043,772.69x = 2,203,495,507.18 × 838,415,956.51
  4. Step 4: Simplify right side
    1,470,043,772.69x = 1,847,445,793,314,394,624
  5. Step 5: Solve for x
    x = 1,847,445,793,314,394,624/1,470,043,772.69
  6. Step 6: Final answer
    x = 1,256,728,423.76

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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.