Home / 405,076,952.40-607,632,017.40-117,862,616.40

Finding the Fourth Proportional to 405,076,952.40, 607,632,017.40 and 117,862,616.40

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Solution

The fourth proportional to 405,076,952.40, 607,632,017.40 and 117,862,616.40 is: 176,798,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,076,952.40 : 607,632,017.40 = 117,862,616.40 : x
  2. Step 2: Convert to fraction form
    405,076,952.40/607,632,017.40 = 117,862,616.40/x
  3. Step 3: Cross multiply
    405,076,952.40x = 607,632,017.40 × 117,862,616.40
  4. Step 4: Simplify right side
    405,076,952.40x = 71,617,099,379,174,328
  5. Step 5: Solve for x
    x = 71,617,099,379,174,328/405,076,952.40
  6. Step 6: Final answer
    x = 176,798,751.34

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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.