Home / 684,484,846.74-1,026,654,484.83-193,185,969.30

Finding the Fourth Proportional to 684,484,846.74, 1,026,654,484.83 and 193,185,969.30

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Solution

The fourth proportional to 684,484,846.74, 1,026,654,484.83 and 193,185,969.30 is: 289,758,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,484,846.74 : 1,026,654,484.83 = 193,185,969.30 : x
  2. Step 2: Convert to fraction form
    684,484,846.74/1,026,654,484.83 = 193,185,969.30/x
  3. Step 3: Cross multiply
    684,484,846.74x = 1,026,654,484.83 × 193,185,969.30
  4. Step 4: Simplify right side
    684,484,846.74x = 198,335,241,788,075,712
  5. Step 5: Solve for x
    x = 198,335,241,788,075,712/684,484,846.74
  6. Step 6: Final answer
    x = 289,758,411.36

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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.