Home / 12,639,046,806.90-17,435,271,780.70-7,814,869,650.02

Finding the Fourth Proportional to 12,639,046,806.90, 17,435,271,780.70 and 7,814,869,650.02

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Solution

The fourth proportional to 12,639,046,806.90, 17,435,271,780.70 and 7,814,869,650.02 is: 10,780,431,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,046,806.90 : 17,435,271,780.70 = 7,814,869,650.02 : x
  2. Step 2: Convert to fraction form
    12,639,046,806.90/17,435,271,780.70 = 7,814,869,650.02/x
  3. Step 3: Cross multiply
    12,639,046,806.90x = 17,435,271,780.70 × 7,814,869,650.02
  4. Step 4: Simplify right side
    12,639,046,806.90x = 136,254,376,278,870,556,672
  5. Step 5: Solve for x
    x = 136,254,376,278,870,556,672/12,639,046,806.90
  6. Step 6: Final answer
    x = 10,780,431,337.95

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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.