Home / 1,677,312,025.80-2,515,968,038.70-1,187,536,000.20

Finding the Fourth Proportional to 1,677,312,025.80, 2,515,968,038.70 and 1,187,536,000.20

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Solution

The fourth proportional to 1,677,312,025.80, 2,515,968,038.70 and 1,187,536,000.20 is: 1,781,304,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,312,025.80 : 2,515,968,038.70 = 1,187,536,000.20 : x
  2. Step 2: Convert to fraction form
    1,677,312,025.80/2,515,968,038.70 = 1,187,536,000.20/x
  3. Step 3: Cross multiply
    1,677,312,025.80x = 2,515,968,038.70 × 1,187,536,000.20
  4. Step 4: Simplify right side
    1,677,312,025.80x = 2,987,802,621,308,836,864
  5. Step 5: Solve for x
    x = 2,987,802,621,308,836,864/1,677,312,025.80
  6. Step 6: Final answer
    x = 1,781,304,000.30

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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.