Home / 448,295,861.52-618,663,672.54-260,109,945

Finding the Fourth Proportional to 448,295,861.52, 618,663,672.54 and 260,109,945

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Solution

The fourth proportional to 448,295,861.52, 618,663,672.54 and 260,109,945 is: 358,960,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,295,861.52 : 618,663,672.54 = 260,109,945 : x
  2. Step 2: Convert to fraction form
    448,295,861.52/618,663,672.54 = 260,109,945/x
  3. Step 3: Cross multiply
    448,295,861.52x = 618,663,672.54 × 260,109,945
  4. Step 4: Simplify right side
    448,295,861.52x = 160,920,573,837,877,408
  5. Step 5: Solve for x
    x = 160,920,573,837,877,408/448,295,861.52
  6. Step 6: Final answer
    x = 358,960,649.99

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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.