Home / 838,656,005.40-1,257,984,008.10-593,767,992.60

Finding the Fourth Proportional to 838,656,005.40, 1,257,984,008.10 and 593,767,992.60

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Solution

The fourth proportional to 838,656,005.40, 1,257,984,008.10 and 593,767,992.60 is: 890,651,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,656,005.40 : 1,257,984,008.10 = 593,767,992.60 : x
  2. Step 2: Convert to fraction form
    838,656,005.40/1,257,984,008.10 = 593,767,992.60/x
  3. Step 3: Cross multiply
    838,656,005.40x = 1,257,984,008.10 × 593,767,992.60
  4. Step 4: Simplify right side
    838,656,005.40x = 746,950,639,212,439,168
  5. Step 5: Solve for x
    x = 746,950,639,212,439,168/838,656,005.40
  6. Step 6: Final answer
    x = 890,651,988.90

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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.