Home / 12,349,442,686.80-18,524,164,030.20-10,489,824,339.60

Finding the Fourth Proportional to 12,349,442,686.80, 18,524,164,030.20 and 10,489,824,339.60

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Solution

The fourth proportional to 12,349,442,686.80, 18,524,164,030.20 and 10,489,824,339.60 is: 15,734,736,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,442,686.80 : 18,524,164,030.20 = 10,489,824,339.60 : x
  2. Step 2: Convert to fraction form
    12,349,442,686.80/18,524,164,030.20 = 10,489,824,339.60/x
  3. Step 3: Cross multiply
    12,349,442,686.80x = 18,524,164,030.20 × 10,489,824,339.60
  4. Step 4: Simplify right side
    12,349,442,686.80x = 194,315,226,714,734,788,608
  5. Step 5: Solve for x
    x = 194,315,226,714,734,788,608/12,349,442,686.80
  6. Step 6: Final answer
    x = 15,734,736,509.40

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Double scale
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Similar ratio
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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.