Home / 888,157,530.62-1,225,608,835.02-486,193,518.96

Finding the Fourth Proportional to 888,157,530.62, 1,225,608,835.02 and 486,193,518.96

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Solution

The fourth proportional to 888,157,530.62, 1,225,608,835.02 and 486,193,518.96 is: 670,920,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,157,530.62 : 1,225,608,835.02 = 486,193,518.96 : x
  2. Step 2: Convert to fraction form
    888,157,530.62/1,225,608,835.02 = 486,193,518.96/x
  3. Step 3: Cross multiply
    888,157,530.62x = 1,225,608,835.02 × 486,193,518.96
  4. Step 4: Simplify right side
    888,157,530.62x = 595,883,072,366,839,808
  5. Step 5: Solve for x
    x = 595,883,072,366,839,808/888,157,530.62
  6. Step 6: Final answer
    x = 670,920,475.06

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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.