Home / 1,405,532,517,139-1,939,499,341,092.10-788,260,294,689.44

Finding the Fourth Proportional to 1,405,532,517,139, 1,939,499,341,092.10 and 788,260,294,689.44

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Solution

The fourth proportional to 1,405,532,517,139, 1,939,499,341,092.10 and 788,260,294,689.44 is: 1,087,723,196,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,532,517,139 : 1,939,499,341,092.10 = 788,260,294,689.44 : x
  2. Step 2: Convert to fraction form
    1,405,532,517,139/1,939,499,341,092.10 = 788,260,294,689.44/x
  3. Step 3: Cross multiply
    1,405,532,517,139x = 1,939,499,341,092.10 × 788,260,294,689.44
  4. Step 4: Simplify right side
    1,405,532,517,139x = 1,528,830,322,159,233,448,017,920
  5. Step 5: Solve for x
    x = 1,528,830,322,159,233,448,017,920/1,405,532,517,139
  6. Step 6: Final answer
    x = 1,087,723,196,380.55

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Double scale
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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.