Home / 1,221,709,652.87-1,833,128,076.80-557,927,159.88

Finding the Fourth Proportional to 1,221,709,652.87, 1,833,128,076.80 and 557,927,159.88

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Solution

The fourth proportional to 1,221,709,652.87, 1,833,128,076.80 and 557,927,159.88 is: 837,148,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,709,652.87 : 1,833,128,076.80 = 557,927,159.88 : x
  2. Step 2: Convert to fraction form
    1,221,709,652.87/1,833,128,076.80 = 557,927,159.88/x
  3. Step 3: Cross multiply
    1,221,709,652.87x = 1,833,128,076.80 × 557,927,159.88
  4. Step 4: Simplify right side
    1,221,709,652.87x = 1,022,751,941,585,310,464
  5. Step 5: Solve for x
    x = 1,022,751,941,585,310,464/1,221,709,652.87
  6. Step 6: Final answer
    x = 837,148,122.05

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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.