Home / 1,158,628,221.83-1,737,778,701.52-371,579,602.79

Finding the Fourth Proportional to 1,158,628,221.83, 1,737,778,701.52 and 371,579,602.79

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Solution

The fourth proportional to 1,158,628,221.83, 1,737,778,701.52 and 371,579,602.79 is: 557,316,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,628,221.83 : 1,737,778,701.52 = 371,579,602.79 : x
  2. Step 2: Convert to fraction form
    1,158,628,221.83/1,737,778,701.52 = 371,579,602.79/x
  3. Step 3: Cross multiply
    1,158,628,221.83x = 1,737,778,701.52 × 371,579,602.79
  4. Step 4: Simplify right side
    1,158,628,221.83x = 645,723,119,647,723,648
  5. Step 5: Solve for x
    x = 645,723,119,647,723,648/1,158,628,221.83
  6. Step 6: Final answer
    x = 557,316,926.59

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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.