Home / 1,229,451,644.61-1,696,371,411.45-753,242,629.77

Finding the Fourth Proportional to 1,229,451,644.61, 1,696,371,411.45 and 753,242,629.77

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Solution

The fourth proportional to 1,229,451,644.61, 1,696,371,411.45 and 753,242,629.77 is: 1,039,308,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,451,644.61 : 1,696,371,411.45 = 753,242,629.77 : x
  2. Step 2: Convert to fraction form
    1,229,451,644.61/1,696,371,411.45 = 753,242,629.77/x
  3. Step 3: Cross multiply
    1,229,451,644.61x = 1,696,371,411.45 × 753,242,629.77
  4. Step 4: Simplify right side
    1,229,451,644.61x = 1,277,779,263,027,244,800
  5. Step 5: Solve for x
    x = 1,277,779,263,027,244,800/1,229,451,644.61
  6. Step 6: Final answer
    x = 1,039,308,270.99

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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.