Home / 1,449,252,003.80-2,173,878,005.70-358,735,071.80

Finding the Fourth Proportional to 1,449,252,003.80, 2,173,878,005.70 and 358,735,071.80

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Solution

The fourth proportional to 1,449,252,003.80, 2,173,878,005.70 and 358,735,071.80 is: 538,102,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,252,003.80 : 2,173,878,005.70 = 358,735,071.80 : x
  2. Step 2: Convert to fraction form
    1,449,252,003.80/2,173,878,005.70 = 358,735,071.80/x
  3. Step 3: Cross multiply
    1,449,252,003.80x = 2,173,878,005.70 × 358,735,071.80
  4. Step 4: Simplify right side
    1,449,252,003.80x = 779,846,282,459,230,208
  5. Step 5: Solve for x
    x = 779,846,282,459,230,208/1,449,252,003.80
  6. Step 6: Final answer
    x = 538,102,607.70

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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.