Home / 171,692,618,511.37-257,577,338,575.64-52,319,285,688.91

Finding the Fourth Proportional to 171,692,618,511.37, 257,577,338,575.64 and 52,319,285,688.91

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Solution

The fourth proportional to 171,692,618,511.37, 257,577,338,575.64 and 52,319,285,688.91 is: 78,490,633,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,692,618,511.37 : 257,577,338,575.64 = 52,319,285,688.91 : x
  2. Step 2: Convert to fraction form
    171,692,618,511.37/257,577,338,575.64 = 52,319,285,688.91/x
  3. Step 3: Cross multiply
    171,692,618,511.37x = 257,577,338,575.64 × 52,319,285,688.91
  4. Step 4: Simplify right side
    171,692,618,511.37x = 13,476,262,363,928,008,327,168
  5. Step 5: Solve for x
    x = 13,476,262,363,928,008,327,168/171,692,618,511.37
  6. Step 6: Final answer
    x = 78,490,633,323.50

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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.