Home / 1,064,956,978.31-1,597,607,120.36-328,026,540.47

Finding the Fourth Proportional to 1,064,956,978.31, 1,597,607,120.36 and 328,026,540.47

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Solution

The fourth proportional to 1,064,956,978.31, 1,597,607,120.36 and 328,026,540.47 is: 492,092,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,956,978.31 : 1,597,607,120.36 = 328,026,540.47 : x
  2. Step 2: Convert to fraction form
    1,064,956,978.31/1,597,607,120.36 = 328,026,540.47/x
  3. Step 3: Cross multiply
    1,064,956,978.31x = 1,597,607,120.36 × 328,026,540.47
  4. Step 4: Simplify right side
    1,064,956,978.31x = 524,057,536,712,301,504
  5. Step 5: Solve for x
    x = 524,057,536,712,301,504/1,064,956,978.31
  6. Step 6: Final answer
    x = 492,092,682.98

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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.