Home / 847,968,187.60-1,170,115,477.32-495,626,741.20

Finding the Fourth Proportional to 847,968,187.60, 1,170,115,477.32 and 495,626,741.20

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Solution

The fourth proportional to 847,968,187.60, 1,170,115,477.32 and 495,626,741.20 is: 683,917,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,968,187.60 : 1,170,115,477.32 = 495,626,741.20 : x
  2. Step 2: Convert to fraction form
    847,968,187.60/1,170,115,477.32 = 495,626,741.20/x
  3. Step 3: Cross multiply
    847,968,187.60x = 1,170,115,477.32 × 495,626,741.20
  4. Step 4: Simplify right side
    847,968,187.60x = 579,940,520,851,794,048
  5. Step 5: Solve for x
    x = 579,940,520,851,794,048/847,968,187.60
  6. Step 6: Final answer
    x = 683,917,780.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.