Home / 977,887,937.80-1,466,831,906.70-322,940,049.40

Finding the Fourth Proportional to 977,887,937.80, 1,466,831,906.70 and 322,940,049.40

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Solution

The fourth proportional to 977,887,937.80, 1,466,831,906.70 and 322,940,049.40 is: 484,410,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,887,937.80 : 1,466,831,906.70 = 322,940,049.40 : x
  2. Step 2: Convert to fraction form
    977,887,937.80/1,466,831,906.70 = 322,940,049.40/x
  3. Step 3: Cross multiply
    977,887,937.80x = 1,466,831,906.70 × 322,940,049.40
  4. Step 4: Simplify right side
    977,887,937.80x = 473,698,768,411,194,176
  5. Step 5: Solve for x
    x = 473,698,768,411,194,176/977,887,937.80
  6. Step 6: Final answer
    x = 484,410,074.10

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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.