Home / 523,595,655.20-785,393,482.80-515,942,904.80

Finding the Fourth Proportional to 523,595,655.20, 785,393,482.80 and 515,942,904.80

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Solution

The fourth proportional to 523,595,655.20, 785,393,482.80 and 515,942,904.80 is: 773,914,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,595,655.20 : 785,393,482.80 = 515,942,904.80 : x
  2. Step 2: Convert to fraction form
    523,595,655.20/785,393,482.80 = 515,942,904.80/x
  3. Step 3: Cross multiply
    523,595,655.20x = 785,393,482.80 × 515,942,904.80
  4. Step 4: Simplify right side
    523,595,655.20x = 405,218,194,926,820,800
  5. Step 5: Solve for x
    x = 405,218,194,926,820,800/523,595,655.20
  6. Step 6: Final answer
    x = 773,914,357.20

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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.