Home / 8,276,688,071.55-12,415,032,107.33-7,378,765,357.95

Finding the Fourth Proportional to 8,276,688,071.55, 12,415,032,107.33 and 7,378,765,357.95

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Solution

The fourth proportional to 8,276,688,071.55, 12,415,032,107.33 and 7,378,765,357.95 is: 11,068,148,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,688,071.55 : 12,415,032,107.33 = 7,378,765,357.95 : x
  2. Step 2: Convert to fraction form
    8,276,688,071.55/12,415,032,107.33 = 7,378,765,357.95/x
  3. Step 3: Cross multiply
    8,276,688,071.55x = 12,415,032,107.33 × 7,378,765,357.95
  4. Step 4: Simplify right side
    8,276,688,071.55x = 91,607,608,831,366,692,864
  5. Step 5: Solve for x
    x = 91,607,608,831,366,692,864/8,276,688,071.55
  6. Step 6: Final answer
    x = 11,068,148,036.93

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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.