Home / 8,276,688,000.05-12,415,032,000.08-7,378,765,286.45

Finding the Fourth Proportional to 8,276,688,000.05, 12,415,032,000.08 and 7,378,765,286.45

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Solution

The fourth proportional to 8,276,688,000.05, 12,415,032,000.08 and 7,378,765,286.45 is: 11,068,147,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,688,000.05 : 12,415,032,000.08 = 7,378,765,286.45 : x
  2. Step 2: Convert to fraction form
    8,276,688,000.05/12,415,032,000.08 = 7,378,765,286.45/x
  3. Step 3: Cross multiply
    8,276,688,000.05x = 12,415,032,000.08 × 7,378,765,286.45
  4. Step 4: Simplify right side
    8,276,688,000.05x = 91,607,607,152,319,332,352
  5. Step 5: Solve for x
    x = 91,607,607,152,319,332,352/8,276,688,000.05
  6. Step 6: Final answer
    x = 11,068,147,929.68

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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.