Home / 2,055,141,987.72-2,836,106,038.44-1,115,345,708.88

Finding the Fourth Proportional to 2,055,141,987.72, 2,836,106,038.44 and 1,115,345,708.88

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Solution

The fourth proportional to 2,055,141,987.72, 2,836,106,038.44 and 1,115,345,708.88 is: 1,539,182,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,141,987.72 : 2,836,106,038.44 = 1,115,345,708.88 : x
  2. Step 2: Convert to fraction form
    2,055,141,987.72/2,836,106,038.44 = 1,115,345,708.88/x
  3. Step 3: Cross multiply
    2,055,141,987.72x = 2,836,106,038.44 × 1,115,345,708.88
  4. Step 4: Simplify right side
    2,055,141,987.72x = 3,163,238,699,902,710,784
  5. Step 5: Solve for x
    x = 3,163,238,699,902,710,784/2,055,141,987.72
  6. Step 6: Final answer
    x = 1,539,182,557.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.