Home / 1,379,308,878.80-2,068,963,318.20-1,229,655,093.20

Finding the Fourth Proportional to 1,379,308,878.80, 2,068,963,318.20 and 1,229,655,093.20

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Solution

The fourth proportional to 1,379,308,878.80, 2,068,963,318.20 and 1,229,655,093.20 is: 1,844,482,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,308,878.80 : 2,068,963,318.20 = 1,229,655,093.20 : x
  2. Step 2: Convert to fraction form
    1,379,308,878.80/2,068,963,318.20 = 1,229,655,093.20/x
  3. Step 3: Cross multiply
    1,379,308,878.80x = 2,068,963,318.20 × 1,229,655,093.20
  4. Step 4: Simplify right side
    1,379,308,878.80x = 2,544,111,281,868,602,368
  5. Step 5: Solve for x
    x = 2,544,111,281,868,602,368/1,379,308,878.80
  6. Step 6: Final answer
    x = 1,844,482,639.80

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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.