Home / 1,312,246,320,412.80-1,978,205,036,139.60-1,224,771,616,752.80

Finding the Fourth Proportional to 1,312,246,320,412.80, 1,978,205,036,139.60 and 1,224,771,616,752.80

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Solution

The fourth proportional to 1,312,246,320,412.80, 1,978,205,036,139.60 and 1,224,771,616,752.80 is: 1,846,337,339,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,246,320,412.80 : 1,978,205,036,139.60 = 1,224,771,616,752.80 : x
  2. Step 2: Convert to fraction form
    1,312,246,320,412.80/1,978,205,036,139.60 = 1,224,771,616,752.80/x
  3. Step 3: Cross multiply
    1,312,246,320,412.80x = 1,978,205,036,139.60 × 1,224,771,616,752.80
  4. Step 4: Simplify right side
    1,312,246,320,412.80x = 2,422,849,380,381,229,500,596,224
  5. Step 5: Solve for x
    x = 2,422,849,380,381,229,500,596,224/1,312,246,320,412.80
  6. Step 6: Final answer
    x = 1,846,337,339,790.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.