Home / 1,647,056,677.20-2,470,585,015.80-556,523,998.80

Finding the Fourth Proportional to 1,647,056,677.20, 2,470,585,015.80 and 556,523,998.80

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Solution

The fourth proportional to 1,647,056,677.20, 2,470,585,015.80 and 556,523,998.80 is: 834,785,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,056,677.20 : 2,470,585,015.80 = 556,523,998.80 : x
  2. Step 2: Convert to fraction form
    1,647,056,677.20/2,470,585,015.80 = 556,523,998.80/x
  3. Step 3: Cross multiply
    1,647,056,677.20x = 2,470,585,015.80 × 556,523,998.80
  4. Step 4: Simplify right side
    1,647,056,677.20x = 1,374,939,852,368,377,088
  5. Step 5: Solve for x
    x = 1,374,939,852,368,377,088/1,647,056,677.20
  6. Step 6: Final answer
    x = 834,785,998.20

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Half scale
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Double scale
Find fourth proportional to 1,647,056,678.20, 2,470,585,017.30 and 556,523,999.80
Similar ratio
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1.5x scale

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.