Home / 1,196,869,138.02-1,793,746,478.12-486,990,414.36

Finding the Fourth Proportional to 1,196,869,138.02, 1,793,746,478.12 and 486,990,414.36

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Solution

The fourth proportional to 1,196,869,138.02, 1,793,746,478.12 and 486,990,414.36 is: 729,852,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,869,138.02 : 1,793,746,478.12 = 486,990,414.36 : x
  2. Step 2: Convert to fraction form
    1,196,869,138.02/1,793,746,478.12 = 486,990,414.36/x
  3. Step 3: Cross multiply
    1,196,869,138.02x = 1,793,746,478.12 × 486,990,414.36
  4. Step 4: Simplify right side
    1,196,869,138.02x = 873,537,340,634,014,592
  5. Step 5: Solve for x
    x = 873,537,340,634,014,592/1,196,869,138.02
  6. Step 6: Final answer
    x = 729,852,005.44

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Double scale
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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.