Home / 8,612,925,438.68-11,888,048,581.98-5,609,662,002.72

Finding the Fourth Proportional to 8,612,925,438.68, 11,888,048,581.98 and 5,609,662,002.72

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Solution

The fourth proportional to 8,612,925,438.68, 11,888,048,581.98 and 5,609,662,002.72 is: 7,742,773,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,925,438.68 : 11,888,048,581.98 = 5,609,662,002.72 : x
  2. Step 2: Convert to fraction form
    8,612,925,438.68/11,888,048,581.98 = 5,609,662,002.72/x
  3. Step 3: Cross multiply
    8,612,925,438.68x = 11,888,048,581.98 × 5,609,662,002.72
  4. Step 4: Simplify right side
    8,612,925,438.68x = 66,687,934,416,822,583,296
  5. Step 5: Solve for x
    x = 66,687,934,416,822,583,296/8,612,925,438.68
  6. Step 6: Final answer
    x = 7,742,773,914.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.