Home / 1,809,158,070.15-2,712,965,851.44-688,490,497.35

Finding the Fourth Proportional to 1,809,158,070.15, 2,712,965,851.44 and 688,490,497.35

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Solution

The fourth proportional to 1,809,158,070.15, 2,712,965,851.44 and 688,490,497.35 is: 1,032,442,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,158,070.15 : 2,712,965,851.44 = 688,490,497.35 : x
  2. Step 2: Convert to fraction form
    1,809,158,070.15/2,712,965,851.44 = 688,490,497.35/x
  3. Step 3: Cross multiply
    1,809,158,070.15x = 2,712,965,851.44 × 688,490,497.35
  4. Step 4: Simplify right side
    1,809,158,070.15x = 1,867,851,208,351,491,840
  5. Step 5: Solve for x
    x = 1,867,851,208,351,491,840/1,809,158,070.15
  6. Step 6: Final answer
    x = 1,032,442,238.83

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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.