Home / 740,996,194.80-1,111,833,718.08-320,946,042.72

Finding the Fourth Proportional to 740,996,194.80, 1,111,833,718.08 and 320,946,042.72

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Solution

The fourth proportional to 740,996,194.80, 1,111,833,718.08 and 320,946,042.72 is: 481,566,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,996,194.80 : 1,111,833,718.08 = 320,946,042.72 : x
  2. Step 2: Convert to fraction form
    740,996,194.80/1,111,833,718.08 = 320,946,042.72/x
  3. Step 3: Cross multiply
    740,996,194.80x = 1,111,833,718.08 × 320,946,042.72
  4. Step 4: Simplify right side
    740,996,194.80x = 356,838,631,980,440,128
  5. Step 5: Solve for x
    x = 356,838,631,980,440,128/740,996,194.80
  6. Step 6: Final answer
    x = 481,566,078.86

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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.