Home / 1,020,764,695.20-1,531,147,042.80-475,561,341.60

Finding the Fourth Proportional to 1,020,764,695.20, 1,531,147,042.80 and 475,561,341.60

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Solution

The fourth proportional to 1,020,764,695.20, 1,531,147,042.80 and 475,561,341.60 is: 713,342,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,764,695.20 : 1,531,147,042.80 = 475,561,341.60 : x
  2. Step 2: Convert to fraction form
    1,020,764,695.20/1,531,147,042.80 = 475,561,341.60/x
  3. Step 3: Cross multiply
    1,020,764,695.20x = 1,531,147,042.80 × 475,561,341.60
  4. Step 4: Simplify right side
    1,020,764,695.20x = 728,154,341,860,840,576
  5. Step 5: Solve for x
    x = 728,154,341,860,840,576/1,020,764,695.20
  6. Step 6: Final answer
    x = 713,342,012.40

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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.