Home / 1,140,377,375.58-1,573,721,889.75-618,856,607.58

Finding the Fourth Proportional to 1,140,377,375.58, 1,573,721,889.75 and 618,856,607.58

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Solution

The fourth proportional to 1,140,377,375.58, 1,573,721,889.75 and 618,856,607.58 is: 854,022,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,377,375.58 : 1,573,721,889.75 = 618,856,607.58 : x
  2. Step 2: Convert to fraction form
    1,140,377,375.58/1,573,721,889.75 = 618,856,607.58/x
  3. Step 3: Cross multiply
    1,140,377,375.58x = 1,573,721,889.75 × 618,856,607.58
  4. Step 4: Simplify right side
    1,140,377,375.58x = 973,908,189,965,071,872
  5. Step 5: Solve for x
    x = 973,908,189,965,071,872/1,140,377,375.58
  6. Step 6: Final answer
    x = 854,022,721.62

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1.5x scale

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.