Home / 2,111,299,803.60-3,168,461,359.80-885,348,085.20

Finding the Fourth Proportional to 2,111,299,803.60, 3,168,461,359.80 and 885,348,085.20

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Solution

The fourth proportional to 2,111,299,803.60, 3,168,461,359.80 and 885,348,085.20 is: 1,328,656,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,299,803.60 : 3,168,461,359.80 = 885,348,085.20 : x
  2. Step 2: Convert to fraction form
    2,111,299,803.60/3,168,461,359.80 = 885,348,085.20/x
  3. Step 3: Cross multiply
    2,111,299,803.60x = 3,168,461,359.80 × 885,348,085.20
  4. Step 4: Simplify right side
    2,111,299,803.60x = 2,805,191,197,929,118,720
  5. Step 5: Solve for x
    x = 2,805,191,197,929,118,720/2,111,299,803.60
  6. Step 6: Final answer
    x = 1,328,656,021.82

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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.