Home / 8,637,564,299.84-11,919,882,811.77-4,827,150,847.21

Finding the Fourth Proportional to 8,637,564,299.84, 11,919,882,811.77 and 4,827,150,847.21

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Solution

The fourth proportional to 8,637,564,299.84, 11,919,882,811.77 and 4,827,150,847.21 is: 6,661,492,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,564,299.84 : 11,919,882,811.77 = 4,827,150,847.21 : x
  2. Step 2: Convert to fraction form
    8,637,564,299.84/11,919,882,811.77 = 4,827,150,847.21/x
  3. Step 3: Cross multiply
    8,637,564,299.84x = 11,919,882,811.77 × 4,827,150,847.21
  4. Step 4: Simplify right side
    8,637,564,299.84x = 57,539,072,413,479,477,248
  5. Step 5: Solve for x
    x = 57,539,072,413,479,477,248/8,637,564,299.84
  6. Step 6: Final answer
    x = 6,661,492,802.38

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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.