Home / 30,658,218,306.02-42,306,576,072.38-17,108,792,047.76

Finding the Fourth Proportional to 30,658,218,306.02, 42,306,576,072.38 and 17,108,792,047.76

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Solution

The fourth proportional to 30,658,218,306.02, 42,306,576,072.38 and 17,108,792,047.76 is: 23,609,147,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658,218,306.02 : 42,306,576,072.38 = 17,108,792,047.76 : x
  2. Step 2: Convert to fraction form
    30,658,218,306.02/42,306,576,072.38 = 17,108,792,047.76/x
  3. Step 3: Cross multiply
    30,658,218,306.02x = 42,306,576,072.38 × 17,108,792,047.76
  4. Step 4: Simplify right side
    30,658,218,306.02x = 723,814,412,275,045,236,736
  5. Step 5: Solve for x
    x = 723,814,412,275,045,236,736/30,658,218,306.02
  6. Step 6: Final answer
    x = 23,609,147,963.20

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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.