Home / 877,562,976.20-1,316,344,464.30-295,103,640.20

Finding the Fourth Proportional to 877,562,976.20, 1,316,344,464.30 and 295,103,640.20

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Solution

The fourth proportional to 877,562,976.20, 1,316,344,464.30 and 295,103,640.20 is: 442,655,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,562,976.20 : 1,316,344,464.30 = 295,103,640.20 : x
  2. Step 2: Convert to fraction form
    877,562,976.20/1,316,344,464.30 = 295,103,640.20/x
  3. Step 3: Cross multiply
    877,562,976.20x = 1,316,344,464.30 × 295,103,640.20
  4. Step 4: Simplify right side
    877,562,976.20x = 388,458,043,172,048,896
  5. Step 5: Solve for x
    x = 388,458,043,172,048,896/877,562,976.20
  6. Step 6: Final answer
    x = 442,655,460.30

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Double scale
Find fourth proportional to 877,562,977.20, 1,316,344,465.80 and 295,103,641.20
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.