Home / 191,539,496,776.44-287,309,521,682.35-78,219,222,795.48

Finding the Fourth Proportional to 191,539,496,776.44, 287,309,521,682.35 and 78,219,222,795.48

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Solution

The fourth proportional to 191,539,496,776.44, 287,309,521,682.35 and 78,219,222,795.48 is: 117,328,947,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539,496,776.44 : 287,309,521,682.35 = 78,219,222,795.48 : x
  2. Step 2: Convert to fraction form
    191,539,496,776.44/287,309,521,682.35 = 78,219,222,795.48/x
  3. Step 3: Cross multiply
    191,539,496,776.44x = 287,309,521,682.35 × 78,219,222,795.48
  4. Step 4: Simplify right side
    191,539,496,776.44x = 22,473,127,487,733,088,911,360
  5. Step 5: Solve for x
    x = 22,473,127,487,733,088,911,360/191,539,496,776.44
  6. Step 6: Final answer
    x = 117,328,947,115.09

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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.