Home / 5,117,646,521.25-7,676,469,781.88-1,240,252,985.25

Finding the Fourth Proportional to 5,117,646,521.25, 7,676,469,781.88 and 1,240,252,985.25

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Solution

The fourth proportional to 5,117,646,521.25, 7,676,469,781.88 and 1,240,252,985.25 is: 1,860,379,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,646,521.25 : 7,676,469,781.88 = 1,240,252,985.25 : x
  2. Step 2: Convert to fraction form
    5,117,646,521.25/7,676,469,781.88 = 1,240,252,985.25/x
  3. Step 3: Cross multiply
    5,117,646,521.25x = 7,676,469,781.88 × 1,240,252,985.25
  4. Step 4: Simplify right side
    5,117,646,521.25x = 9,520,764,563,151,884,288
  5. Step 5: Solve for x
    x = 9,520,764,563,151,884,288/5,117,646,521.25
  6. Step 6: Final answer
    x = 1,860,379,477.88

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Double scale
Find fourth proportional to 5,117,646,522.25, 7,676,469,783.38 and 1,240,252,986.25
Similar ratio
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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.