Home / 1,262,136,972.56-1,893,300,550.16-376,752,364.32

Finding the Fourth Proportional to 1,262,136,972.56, 1,893,300,550.16 and 376,752,364.32

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Solution

The fourth proportional to 1,262,136,972.56, 1,893,300,550.16 and 376,752,364.32 is: 565,156,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,136,972.56 : 1,893,300,550.16 = 376,752,364.32 : x
  2. Step 2: Convert to fraction form
    1,262,136,972.56/1,893,300,550.16 = 376,752,364.32/x
  3. Step 3: Cross multiply
    1,262,136,972.56x = 1,893,300,550.16 × 376,752,364.32
  4. Step 4: Simplify right side
    1,262,136,972.56x = 713,305,458,641,136,768
  5. Step 5: Solve for x
    x = 713,305,458,641,136,768/1,262,136,972.56
  6. Step 6: Final answer
    x = 565,156,931.58

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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.