Home / 1,137,677,339.96-1,706,516,010.35-319,789,640.96

Finding the Fourth Proportional to 1,137,677,339.96, 1,706,516,010.35 and 319,789,640.96

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Solution

The fourth proportional to 1,137,677,339.96, 1,706,516,010.35 and 319,789,640.96 is: 479,684,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,677,339.96 : 1,706,516,010.35 = 319,789,640.96 : x
  2. Step 2: Convert to fraction form
    1,137,677,339.96/1,706,516,010.35 = 319,789,640.96/x
  3. Step 3: Cross multiply
    1,137,677,339.96x = 1,706,516,010.35 × 319,789,640.96
  4. Step 4: Simplify right side
    1,137,677,339.96x = 545,726,142,240,719,168
  5. Step 5: Solve for x
    x = 545,726,142,240,719,168/1,137,677,339.96
  6. Step 6: Final answer
    x = 479,684,461.55

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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.