Home / 191,539,496,804.07-287,309,521,723.65-78,219,222,822.96

Finding the Fourth Proportional to 191,539,496,804.07, 287,309,521,723.65 and 78,219,222,822.96

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Solution

The fourth proportional to 191,539,496,804.07, 287,309,521,723.65 and 78,219,222,822.96 is: 117,328,947,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539,496,804.07 : 287,309,521,723.65 = 78,219,222,822.96 : x
  2. Step 2: Convert to fraction form
    191,539,496,804.07/287,309,521,723.65 = 78,219,222,822.96/x
  3. Step 3: Cross multiply
    191,539,496,804.07x = 287,309,521,723.65 × 78,219,222,822.96
  4. Step 4: Simplify right side
    191,539,496,804.07x = 22,473,127,498,860,250,267,648
  5. Step 5: Solve for x
    x = 22,473,127,498,860,250,267,648/191,539,496,804.07
  6. Step 6: Final answer
    x = 117,328,947,156.25

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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.