Home / 889,236,196.30-1,227,153,261.92-492,765,806.93

Finding the Fourth Proportional to 889,236,196.30, 1,227,153,261.92 and 492,765,806.93

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Solution

The fourth proportional to 889,236,196.30, 1,227,153,261.92 and 492,765,806.93 is: 680,020,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,236,196.30 : 1,227,153,261.92 = 492,765,806.93 : x
  2. Step 2: Convert to fraction form
    889,236,196.30/1,227,153,261.92 = 492,765,806.93/x
  3. Step 3: Cross multiply
    889,236,196.30x = 1,227,153,261.92 × 492,765,806.93
  4. Step 4: Simplify right side
    889,236,196.30x = 604,699,167,336,790,528
  5. Step 5: Solve for x
    x = 604,699,167,336,790,528/889,236,196.30
  6. Step 6: Final answer
    x = 680,020,864.94

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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.