Home / 1,221,709,626.09-1,833,128,036.55-557,927,133.02

Finding the Fourth Proportional to 1,221,709,626.09, 1,833,128,036.55 and 557,927,133.02

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Solution

The fourth proportional to 1,221,709,626.09, 1,833,128,036.55 and 557,927,133.02 is: 837,148,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,709,626.09 : 1,833,128,036.55 = 557,927,133.02 : x
  2. Step 2: Convert to fraction form
    1,221,709,626.09/1,833,128,036.55 = 557,927,133.02/x
  3. Step 3: Cross multiply
    1,221,709,626.09x = 1,833,128,036.55 × 557,927,133.02
  4. Step 4: Simplify right side
    1,221,709,626.09x = 1,022,751,869,895,419,264
  5. Step 5: Solve for x
    x = 1,022,751,869,895,419,264/1,221,709,626.09
  6. Step 6: Final answer
    x = 837,148,081.72

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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.