Home / 440,416,944.20-607,814,109.90-242,213,366

Finding the Fourth Proportional to 440,416,944.20, 607,814,109.90 and 242,213,366

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Solution

The fourth proportional to 440,416,944.20, 607,814,109.90 and 242,213,366 is: 334,275,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416,944.20 : 607,814,109.90 = 242,213,366 : x
  2. Step 2: Convert to fraction form
    440,416,944.20/607,814,109.90 = 242,213,366/x
  3. Step 3: Cross multiply
    440,416,944.20x = 607,814,109.90 × 242,213,366
  4. Step 4: Simplify right side
    440,416,944.20x = 147,220,701,461,172,928
  5. Step 5: Solve for x
    x = 147,220,701,461,172,928/440,416,944.20
  6. Step 6: Final answer
    x = 334,275,743.47

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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.