Home / 1,437,626,456.86-2,160,231,602.95-774,131,028.90

Finding the Fourth Proportional to 1,437,626,456.86, 2,160,231,602.95 and 774,131,028.90

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Solution

The fourth proportional to 1,437,626,456.86, 2,160,231,602.95 and 774,131,028.90 is: 1,163,238,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,626,456.86 : 2,160,231,602.95 = 774,131,028.90 : x
  2. Step 2: Convert to fraction form
    1,437,626,456.86/2,160,231,602.95 = 774,131,028.90/x
  3. Step 3: Cross multiply
    1,437,626,456.86x = 2,160,231,602.95 × 774,131,028.90
  4. Step 4: Simplify right side
    1,437,626,456.86x = 1,672,302,313,453,979,648
  5. Step 5: Solve for x
    x = 1,672,302,313,453,979,648/1,437,626,456.86
  6. Step 6: Final answer
    x = 1,163,238,409.72

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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.