Home / 830,405,874,643.55-1,251,832,874,443.10-775,050,788,733.75

Finding the Fourth Proportional to 830,405,874,643.55, 1,251,832,874,443.10 and 775,050,788,733.75

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Solution

The fourth proportional to 830,405,874,643.55, 1,251,832,874,443.10 and 775,050,788,733.75 is: 1,168,385,347,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,405,874,643.55 : 1,251,832,874,443.10 = 775,050,788,733.75 : x
  2. Step 2: Convert to fraction form
    830,405,874,643.55/1,251,832,874,443.10 = 775,050,788,733.75/x
  3. Step 3: Cross multiply
    830,405,874,643.55x = 1,251,832,874,443.10 × 775,050,788,733.75
  4. Step 4: Simplify right side
    830,405,874,643.55x = 970,234,056,699,962,109,984,768
  5. Step 5: Solve for x
    x = 970,234,056,699,962,109,984,768/830,405,874,643.55
  6. Step 6: Final answer
    x = 1,168,385,347,847.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.