Home / 1,159,174,782.72-1,738,393,280.64-382,675,864.32

Finding the Fourth Proportional to 1,159,174,782.72, 1,738,393,280.64 and 382,675,864.32

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Solution

The fourth proportional to 1,159,174,782.72, 1,738,393,280.64 and 382,675,864.32 is: 573,892,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,174,782.72 : 1,738,393,280.64 = 382,675,864.32 : x
  2. Step 2: Convert to fraction form
    1,159,174,782.72/1,738,393,280.64 = 382,675,864.32/x
  3. Step 3: Cross multiply
    1,159,174,782.72x = 1,738,393,280.64 × 382,675,864.32
  4. Step 4: Simplify right side
    1,159,174,782.72x = 665,241,151,196,992,384
  5. Step 5: Solve for x
    x = 665,241,151,196,992,384/1,159,174,782.72
  6. Step 6: Final answer
    x = 573,892,014.49

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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.