Home / 1,687,579,566.58-2,328,638,951.05-973,141,507.43

Finding the Fourth Proportional to 1,687,579,566.58, 2,328,638,951.05 and 973,141,507.43

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Solution

The fourth proportional to 1,687,579,566.58, 2,328,638,951.05 and 973,141,507.43 is: 1,342,807,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,579,566.58 : 2,328,638,951.05 = 973,141,507.43 : x
  2. Step 2: Convert to fraction form
    1,687,579,566.58/2,328,638,951.05 = 973,141,507.43/x
  3. Step 3: Cross multiply
    1,687,579,566.58x = 2,328,638,951.05 × 973,141,507.43
  4. Step 4: Simplify right side
    1,687,579,566.58x = 2,266,095,219,070,935,040
  5. Step 5: Solve for x
    x = 2,266,095,219,070,935,040/1,687,579,566.58
  6. Step 6: Final answer
    x = 1,342,807,926.78

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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.