Home / 8,375,992,654.40-12,563,988,981.60-7,086,047,566.40

Finding the Fourth Proportional to 8,375,992,654.40, 12,563,988,981.60 and 7,086,047,566.40

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Solution

The fourth proportional to 8,375,992,654.40, 12,563,988,981.60 and 7,086,047,566.40 is: 10,629,071,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,992,654.40 : 12,563,988,981.60 = 7,086,047,566.40 : x
  2. Step 2: Convert to fraction form
    8,375,992,654.40/12,563,988,981.60 = 7,086,047,566.40/x
  3. Step 3: Cross multiply
    8,375,992,654.40x = 12,563,988,981.60 × 7,086,047,566.40
  4. Step 4: Simplify right side
    8,375,992,654.40x = 89,029,023,547,343,093,760
  5. Step 5: Solve for x
    x = 89,029,023,547,343,093,760/8,375,992,654.40
  6. Step 6: Final answer
    x = 10,629,071,349.60

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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.