Home / 1,020,764,575.20-1,531,146,862.80-475,561,221.60

Finding the Fourth Proportional to 1,020,764,575.20, 1,531,146,862.80 and 475,561,221.60

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Solution

The fourth proportional to 1,020,764,575.20, 1,531,146,862.80 and 475,561,221.60 is: 713,341,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,764,575.20 : 1,531,146,862.80 = 475,561,221.60 : x
  2. Step 2: Convert to fraction form
    1,020,764,575.20/1,531,146,862.80 = 475,561,221.60/x
  3. Step 3: Cross multiply
    1,020,764,575.20x = 1,531,146,862.80 × 475,561,221.60
  4. Step 4: Simplify right side
    1,020,764,575.20x = 728,154,072,522,175,616
  5. Step 5: Solve for x
    x = 728,154,072,522,175,616/1,020,764,575.20
  6. Step 6: Final answer
    x = 713,341,832.40

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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.