Home / 1,476,830,142.36-2,038,653,125.10-920,188,215

Finding the Fourth Proportional to 1,476,830,142.36, 2,038,653,125.10 and 920,188,215

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Solution

The fourth proportional to 1,476,830,142.36, 2,038,653,125.10 and 920,188,215 is: 1,270,250,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,830,142.36 : 2,038,653,125.10 = 920,188,215 : x
  2. Step 2: Convert to fraction form
    1,476,830,142.36/2,038,653,125.10 = 920,188,215/x
  3. Step 3: Cross multiply
    1,476,830,142.36x = 2,038,653,125.10 × 920,188,215
  4. Step 4: Simplify right side
    1,476,830,142.36x = 1,875,944,580,189,940,736
  5. Step 5: Solve for x
    x = 1,875,944,580,189,940,736/1,476,830,142.36
  6. Step 6: Final answer
    x = 1,270,250,739.32

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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.