Home / 1,890,569,109.15-2,608,988,981.04-1,043,798,069.70

Finding the Fourth Proportional to 1,890,569,109.15, 2,608,988,981.04 and 1,043,798,069.70

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Solution

The fourth proportional to 1,890,569,109.15, 2,608,988,981.04 and 1,043,798,069.70 is: 1,440,443,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,569,109.15 : 2,608,988,981.04 = 1,043,798,069.70 : x
  2. Step 2: Convert to fraction form
    1,890,569,109.15/2,608,988,981.04 = 1,043,798,069.70/x
  3. Step 3: Cross multiply
    1,890,569,109.15x = 2,608,988,981.04 × 1,043,798,069.70
  4. Step 4: Simplify right side
    1,890,569,109.15x = 2,723,257,662,278,121,984
  5. Step 5: Solve for x
    x = 2,723,257,662,278,121,984/1,890,569,109.15
  6. Step 6: Final answer
    x = 1,440,443,329.52

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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.