Home / 472,603,008.96-709,015,864.56-161,714,009.88

Finding the Fourth Proportional to 472,603,008.96, 709,015,864.56 and 161,714,009.88

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Solution

The fourth proportional to 472,603,008.96, 709,015,864.56 and 161,714,009.88 is: 242,609,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,603,008.96 : 709,015,864.56 = 161,714,009.88 : x
  2. Step 2: Convert to fraction form
    472,603,008.96/709,015,864.56 = 161,714,009.88/x
  3. Step 3: Cross multiply
    472,603,008.96x = 709,015,864.56 × 161,714,009.88
  4. Step 4: Simplify right side
    472,603,008.96x = 114,657,798,526,532,576
  5. Step 5: Solve for x
    x = 114,657,798,526,532,576/472,603,008.96
  6. Step 6: Final answer
    x = 242,609,116.64

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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.