Home / 463,648,840.40-695,473,260.60-415,275,899.60

Finding the Fourth Proportional to 463,648,840.40, 695,473,260.60 and 415,275,899.60

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Solution

The fourth proportional to 463,648,840.40, 695,473,260.60 and 415,275,899.60 is: 622,913,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,648,840.40 : 695,473,260.60 = 415,275,899.60 : x
  2. Step 2: Convert to fraction form
    463,648,840.40/695,473,260.60 = 415,275,899.60/x
  3. Step 3: Cross multiply
    463,648,840.40x = 695,473,260.60 × 415,275,899.60
  4. Step 4: Simplify right side
    463,648,840.40x = 288,813,283,943,410,240
  5. Step 5: Solve for x
    x = 288,813,283,943,410,240/463,648,840.40
  6. Step 6: Final answer
    x = 622,913,849.40

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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.