Home / 8,263,575,627.20-12,419,549,911.20-7,199,370,929.60

Finding the Fourth Proportional to 8,263,575,627.20, 12,419,549,911.20 and 7,199,370,929.60

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Solution

The fourth proportional to 8,263,575,627.20, 12,419,549,911.20 and 7,199,370,929.60 is: 10,820,128,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,575,627.20 : 12,419,549,911.20 = 7,199,370,929.60 : x
  2. Step 2: Convert to fraction form
    8,263,575,627.20/12,419,549,911.20 = 7,199,370,929.60/x
  3. Step 3: Cross multiply
    8,263,575,627.20x = 12,419,549,911.20 × 7,199,370,929.60
  4. Step 4: Simplify right side
    8,263,575,627.20x = 89,412,946,589,409,558,528
  5. Step 5: Solve for x
    x = 89,412,946,589,409,558,528/8,263,575,627.20
  6. Step 6: Final answer
    x = 10,820,128,068.42

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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.