Home / 636,024,498.30-877,708,527.75-357,567,260.22

Finding the Fourth Proportional to 636,024,498.30, 877,708,527.75 and 357,567,260.22

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Solution

The fourth proportional to 636,024,498.30, 877,708,527.75 and 357,567,260.22 is: 493,439,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,024,498.30 : 877,708,527.75 = 357,567,260.22 : x
  2. Step 2: Convert to fraction form
    636,024,498.30/877,708,527.75 = 357,567,260.22/x
  3. Step 3: Cross multiply
    636,024,498.30x = 877,708,527.75 × 357,567,260.22
  4. Step 4: Simplify right side
    636,024,498.30x = 313,839,833,539,297,344
  5. Step 5: Solve for x
    x = 313,839,833,539,297,344/636,024,498.30
  6. Step 6: Final answer
    x = 493,439,850.79

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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.