Home / 497,977,573,815.36-747,011,945,813.01-139,827,133,964.68

Finding the Fourth Proportional to 497,977,573,815.36, 747,011,945,813.01 and 139,827,133,964.68

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Solution

The fourth proportional to 497,977,573,815.36, 747,011,945,813.01 and 139,827,133,964.68 is: 209,753,500,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,815.36 : 747,011,945,813.01 = 139,827,133,964.68 : x
  2. Step 2: Convert to fraction form
    497,977,573,815.36/747,011,945,813.01 = 139,827,133,964.68/x
  3. Step 3: Cross multiply
    497,977,573,815.36x = 747,011,945,813.01 × 139,827,133,964.68
  4. Step 4: Simplify right side
    497,977,573,815.36x = 104,452,539,420,412,026,552,320
  5. Step 5: Solve for x
    x = 104,452,539,420,412,026,552,320/497,977,573,815.36
  6. Step 6: Final answer
    x = 209,753,500,785.44

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Double scale
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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.