Home / 526,556,661.20-789,834,991.80-254,458,869.20

Finding the Fourth Proportional to 526,556,661.20, 789,834,991.80 and 254,458,869.20

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Solution

The fourth proportional to 526,556,661.20, 789,834,991.80 and 254,458,869.20 is: 381,688,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,556,661.20 : 789,834,991.80 = 254,458,869.20 : x
  2. Step 2: Convert to fraction form
    526,556,661.20/789,834,991.80 = 254,458,869.20/x
  3. Step 3: Cross multiply
    526,556,661.20x = 789,834,991.80 × 254,458,869.20
  4. Step 4: Simplify right side
    526,556,661.20x = 200,980,518,868,019,264
  5. Step 5: Solve for x
    x = 200,980,518,868,019,264/526,556,661.20
  6. Step 6: Final answer
    x = 381,688,303.80

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Half scale
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Double scale
Find fourth proportional to 526,556,662.20, 789,834,993.30 and 254,458,870.20
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.