Home / 1,941,765,045.15-2,680,364,468.73-1,272,753,203.50

Finding the Fourth Proportional to 1,941,765,045.15, 2,680,364,468.73 and 1,272,753,203.50

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Solution

The fourth proportional to 1,941,765,045.15, 2,680,364,468.73 and 1,272,753,203.50 is: 1,756,877,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,765,045.15 : 2,680,364,468.73 = 1,272,753,203.50 : x
  2. Step 2: Convert to fraction form
    1,941,765,045.15/2,680,364,468.73 = 1,272,753,203.50/x
  3. Step 3: Cross multiply
    1,941,765,045.15x = 2,680,364,468.73 × 1,272,753,203.50
  4. Step 4: Simplify right side
    1,941,765,045.15x = 3,411,442,464,123,683,328
  5. Step 5: Solve for x
    x = 3,411,442,464,123,683,328/1,941,765,045.15
  6. Step 6: Final answer
    x = 1,756,877,060.20

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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.