Home / 869,876,614.80-1,304,814,922.20-482,893,088.40

Finding the Fourth Proportional to 869,876,614.80, 1,304,814,922.20 and 482,893,088.40

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Solution

The fourth proportional to 869,876,614.80, 1,304,814,922.20 and 482,893,088.40 is: 724,339,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,876,614.80 : 1,304,814,922.20 = 482,893,088.40 : x
  2. Step 2: Convert to fraction form
    869,876,614.80/1,304,814,922.20 = 482,893,088.40/x
  3. Step 3: Cross multiply
    869,876,614.80x = 1,304,814,922.20 × 482,893,088.40
  4. Step 4: Simplify right side
    869,876,614.80x = 630,086,107,571,563,776
  5. Step 5: Solve for x
    x = 630,086,107,571,563,776/869,876,614.80
  6. Step 6: Final answer
    x = 724,339,632.60

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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.