Home / 924,330,967.80-1,275,707,536.20-572,020,423.44

Finding the Fourth Proportional to 924,330,967.80, 1,275,707,536.20 and 572,020,423.44

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Solution

The fourth proportional to 924,330,967.80, 1,275,707,536.20 and 572,020,423.44 is: 789,469,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,330,967.80 : 1,275,707,536.20 = 572,020,423.44 : x
  2. Step 2: Convert to fraction form
    924,330,967.80/1,275,707,536.20 = 572,020,423.44/x
  3. Step 3: Cross multiply
    924,330,967.80x = 1,275,707,536.20 × 572,020,423.44
  4. Step 4: Simplify right side
    924,330,967.80x = 729,730,765,042,723,200
  5. Step 5: Solve for x
    x = 729,730,765,042,723,200/924,330,967.80
  6. Step 6: Final answer
    x = 789,469,130.07

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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.