Home / 771,977,094.36-1,065,336,622.14-419,553,105.24

Finding the Fourth Proportional to 771,977,094.36, 1,065,336,622.14 and 419,553,105.24

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Solution

The fourth proportional to 771,977,094.36, 1,065,336,622.14 and 419,553,105.24 is: 578,987,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,977,094.36 : 1,065,336,622.14 = 419,553,105.24 : x
  2. Step 2: Convert to fraction form
    771,977,094.36/1,065,336,622.14 = 419,553,105.24/x
  3. Step 3: Cross multiply
    771,977,094.36x = 1,065,336,622.14 × 419,553,105.24
  4. Step 4: Simplify right side
    771,977,094.36x = 446,965,287,944,729,536
  5. Step 5: Solve for x
    x = 446,965,287,944,729,536/771,977,094.36
  6. Step 6: Final answer
    x = 578,987,759.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.