Home / 440,416,920.28-607,814,076.94-242,213,342.12

Finding the Fourth Proportional to 440,416,920.28, 607,814,076.94 and 242,213,342.12

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Solution

The fourth proportional to 440,416,920.28, 607,814,076.94 and 242,213,342.12 is: 334,275,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416,920.28 : 607,814,076.94 = 242,213,342.12 : x
  2. Step 2: Convert to fraction form
    440,416,920.28/607,814,076.94 = 242,213,342.12/x
  3. Step 3: Cross multiply
    440,416,920.28x = 607,814,076.94 × 242,213,342.12
  4. Step 4: Simplify right side
    440,416,920.28x = 147,220,678,963,220,224
  5. Step 5: Solve for x
    x = 147,220,678,963,220,224/440,416,920.28
  6. Step 6: Final answer
    x = 334,275,710.55

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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.