Home / 8,159,432,227.40-12,239,148,341.10-2,639,248,272.20

Finding the Fourth Proportional to 8,159,432,227.40, 12,239,148,341.10 and 2,639,248,272.20

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Solution

The fourth proportional to 8,159,432,227.40, 12,239,148,341.10 and 2,639,248,272.20 is: 3,958,872,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,432,227.40 : 12,239,148,341.10 = 2,639,248,272.20 : x
  2. Step 2: Convert to fraction form
    8,159,432,227.40/12,239,148,341.10 = 2,639,248,272.20/x
  3. Step 3: Cross multiply
    8,159,432,227.40x = 12,239,148,341.10 × 2,639,248,272.20
  4. Step 4: Simplify right side
    8,159,432,227.40x = 32,302,151,112,447,668,224
  5. Step 5: Solve for x
    x = 32,302,151,112,447,668,224/8,159,432,227.40
  6. Step 6: Final answer
    x = 3,958,872,408.30

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Double scale
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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.