Home / 1,421,695,888.20-1,961,929,619.56-795,164,346.90

Finding the Fourth Proportional to 1,421,695,888.20, 1,961,929,619.56 and 795,164,346.90

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Solution

The fourth proportional to 1,421,695,888.20, 1,961,929,619.56 and 795,164,346.90 is: 1,097,320,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,695,888.20 : 1,961,929,619.56 = 795,164,346.90 : x
  2. Step 2: Convert to fraction form
    1,421,695,888.20/1,961,929,619.56 = 795,164,346.90/x
  3. Step 3: Cross multiply
    1,421,695,888.20x = 1,961,929,619.56 × 795,164,346.90
  4. Step 4: Simplify right side
    1,421,695,888.20x = 1,560,056,484,602,146,816
  5. Step 5: Solve for x
    x = 1,560,056,484,602,146,816/1,421,695,888.20
  6. Step 6: Final answer
    x = 1,097,320,810.70

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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.