Home / 579,312,077.80-868,968,116.70-170,409,562.60

Finding the Fourth Proportional to 579,312,077.80, 868,968,116.70 and 170,409,562.60

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Solution

The fourth proportional to 579,312,077.80, 868,968,116.70 and 170,409,562.60 is: 255,614,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,312,077.80 : 868,968,116.70 = 170,409,562.60 : x
  2. Step 2: Convert to fraction form
    579,312,077.80/868,968,116.70 = 170,409,562.60/x
  3. Step 3: Cross multiply
    579,312,077.80x = 868,968,116.70 × 170,409,562.60
  4. Step 4: Simplify right side
    579,312,077.80x = 148,080,476,680,192,768
  5. Step 5: Solve for x
    x = 148,080,476,680,192,768/579,312,077.80
  6. Step 6: Final answer
    x = 255,614,343.90

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Similar ratio
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1.5x scale

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.