Home / 23,079,428,730.83-31,849,282,234.85-12,778,539,243.75

Finding the Fourth Proportional to 23,079,428,730.83, 31,849,282,234.85 and 12,778,539,243.75

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Solution

The fourth proportional to 23,079,428,730.83, 31,849,282,234.85 and 12,778,539,243.75 is: 17,634,201,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,079,428,730.83 : 31,849,282,234.85 = 12,778,539,243.75 : x
  2. Step 2: Convert to fraction form
    23,079,428,730.83/31,849,282,234.85 = 12,778,539,243.75/x
  3. Step 3: Cross multiply
    23,079,428,730.83x = 31,849,282,234.85 × 12,778,539,243.75
  4. Step 4: Simplify right side
    23,079,428,730.83x = 406,987,302,923,236,540,416
  5. Step 5: Solve for x
    x = 406,987,302,923,236,540,416/23,079,428,730.83
  6. Step 6: Final answer
    x = 17,634,201,767.72

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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.