Home / 10,917,509,915.40-16,376,264,873.10-8,740,727,579.40

Finding the Fourth Proportional to 10,917,509,915.40, 16,376,264,873.10 and 8,740,727,579.40

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Solution

The fourth proportional to 10,917,509,915.40, 16,376,264,873.10 and 8,740,727,579.40 is: 13,111,091,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,509,915.40 : 16,376,264,873.10 = 8,740,727,579.40 : x
  2. Step 2: Convert to fraction form
    10,917,509,915.40/16,376,264,873.10 = 8,740,727,579.40/x
  3. Step 3: Cross multiply
    10,917,509,915.40x = 16,376,264,873.10 × 8,740,727,579.40
  4. Step 4: Simplify right side
    10,917,509,915.40x = 143,140,470,023,864,614,912
  5. Step 5: Solve for x
    x = 143,140,470,023,864,614,912/10,917,509,915.40
  6. Step 6: Final answer
    x = 13,111,091,369.10

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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.