Home / 1,376,611,636.79-2,063,447,098.07-785,128,432.61

Finding the Fourth Proportional to 1,376,611,636.79, 2,063,447,098.07 and 785,128,432.61

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Solution

The fourth proportional to 1,376,611,636.79, 2,063,447,098.07 and 785,128,432.61 is: 1,176,854,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,611,636.79 : 2,063,447,098.07 = 785,128,432.61 : x
  2. Step 2: Convert to fraction form
    1,376,611,636.79/2,063,447,098.07 = 785,128,432.61/x
  3. Step 3: Cross multiply
    1,376,611,636.79x = 2,063,447,098.07 × 785,128,432.61
  4. Step 4: Simplify right side
    1,376,611,636.79x = 1,620,070,985,882,585,088
  5. Step 5: Solve for x
    x = 1,620,070,985,882,585,088/1,376,611,636.79
  6. Step 6: Final answer
    x = 1,176,854,054.25

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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.