Home / 7,547,904,006.60-11,321,856,009.90-5,343,911,891.40

Finding the Fourth Proportional to 7,547,904,006.60, 11,321,856,009.90 and 5,343,911,891.40

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Solution

The fourth proportional to 7,547,904,006.60, 11,321,856,009.90 and 5,343,911,891.40 is: 8,015,867,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547,904,006.60 : 11,321,856,009.90 = 5,343,911,891.40 : x
  2. Step 2: Convert to fraction form
    7,547,904,006.60/11,321,856,009.90 = 5,343,911,891.40/x
  3. Step 3: Cross multiply
    7,547,904,006.60x = 11,321,856,009.90 × 5,343,911,891.40
  4. Step 4: Simplify right side
    7,547,904,006.60x = 60,503,000,964,023,156,736
  5. Step 5: Solve for x
    x = 60,503,000,964,023,156,736/7,547,904,006.60
  6. Step 6: Final answer
    x = 8,015,867,837.10

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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.