Home / 882,542,842.60-1,217,995,148.99-659,136,666.30

Finding the Fourth Proportional to 882,542,842.60, 1,217,995,148.99 and 659,136,666.30

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Solution

The fourth proportional to 882,542,842.60, 1,217,995,148.99 and 659,136,666.30 is: 909,672,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,542,842.60 : 1,217,995,148.99 = 659,136,666.30 : x
  2. Step 2: Convert to fraction form
    882,542,842.60/1,217,995,148.99 = 659,136,666.30/x
  3. Step 3: Cross multiply
    882,542,842.60x = 1,217,995,148.99 × 659,136,666.30
  4. Step 4: Simplify right side
    882,542,842.60x = 802,825,262,074,840,320
  5. Step 5: Solve for x
    x = 802,825,262,074,840,320/882,542,842.60
  6. Step 6: Final answer
    x = 909,672,849.09

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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.