Home / 2,123,641,137.78-3,185,471,782.65-649,778,595.90

Finding the Fourth Proportional to 2,123,641,137.78, 3,185,471,782.65 and 649,778,595.90

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Solution

The fourth proportional to 2,123,641,137.78, 3,185,471,782.65 and 649,778,595.90 is: 974,670,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,641,137.78 : 3,185,471,782.65 = 649,778,595.90 : x
  2. Step 2: Convert to fraction form
    2,123,641,137.78/3,185,471,782.65 = 649,778,595.90/x
  3. Step 3: Cross multiply
    2,123,641,137.78x = 3,185,471,782.65 × 649,778,595.90
  4. Step 4: Simplify right side
    2,123,641,137.78x = 2,069,851,382,209,387,008
  5. Step 5: Solve for x
    x = 2,069,851,382,209,387,008/2,123,641,137.78
  6. Step 6: Final answer
    x = 974,670,976.84

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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.