Home / 977,069,078.20-1,465,603,617.30-330,836,822.20

Finding the Fourth Proportional to 977,069,078.20, 1,465,603,617.30 and 330,836,822.20

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Solution

The fourth proportional to 977,069,078.20, 1,465,603,617.30 and 330,836,822.20 is: 496,255,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,069,078.20 : 1,465,603,617.30 = 330,836,822.20 : x
  2. Step 2: Convert to fraction form
    977,069,078.20/1,465,603,617.30 = 330,836,822.20/x
  3. Step 3: Cross multiply
    977,069,078.20x = 1,465,603,617.30 × 330,836,822.20
  4. Step 4: Simplify right side
    977,069,078.20x = 484,875,643,352,356,928
  5. Step 5: Solve for x
    x = 484,875,643,352,356,928/977,069,078.20
  6. Step 6: Final answer
    x = 496,255,233.30

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Double scale
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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.