Home / 805,721,410.08-1,208,512,884.80-490,505,632.24

Finding the Fourth Proportional to 805,721,410.08, 1,208,512,884.80 and 490,505,632.24

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Solution

The fourth proportional to 805,721,410.08, 1,208,512,884.80 and 490,505,632.24 is: 735,716,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,721,410.08 : 1,208,512,884.80 = 490,505,632.24 : x
  2. Step 2: Convert to fraction form
    805,721,410.08/1,208,512,884.80 = 490,505,632.24/x
  3. Step 3: Cross multiply
    805,721,410.08x = 1,208,512,884.80 × 490,505,632.24
  4. Step 4: Simplify right side
    805,721,410.08x = 592,782,376,629,010,304
  5. Step 5: Solve for x
    x = 592,782,376,629,010,304/805,721,410.08
  6. Step 6: Final answer
    x = 735,716,302.45

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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.