Home / 8,020,809,768.30-12,031,214,652.45-7,680,740,672.40

Finding the Fourth Proportional to 8,020,809,768.30, 12,031,214,652.45 and 7,680,740,672.40

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Solution

The fourth proportional to 8,020,809,768.30, 12,031,214,652.45 and 7,680,740,672.40 is: 11,521,111,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,809,768.30 : 12,031,214,652.45 = 7,680,740,672.40 : x
  2. Step 2: Convert to fraction form
    8,020,809,768.30/12,031,214,652.45 = 7,680,740,672.40/x
  3. Step 3: Cross multiply
    8,020,809,768.30x = 12,031,214,652.45 × 7,680,740,672.40
  4. Step 4: Simplify right side
    8,020,809,768.30x = 92,408,639,719,447,543,808
  5. Step 5: Solve for x
    x = 92,408,639,719,447,543,808/8,020,809,768.30
  6. Step 6: Final answer
    x = 11,521,111,008.60

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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.