Home / 1,123,844,688.30-1,685,767,032.45-1,106,625,999.90

Finding the Fourth Proportional to 1,123,844,688.30, 1,685,767,032.45 and 1,106,625,999.90

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Solution

The fourth proportional to 1,123,844,688.30, 1,685,767,032.45 and 1,106,625,999.90 is: 1,659,938,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,844,688.30 : 1,685,767,032.45 = 1,106,625,999.90 : x
  2. Step 2: Convert to fraction form
    1,123,844,688.30/1,685,767,032.45 = 1,106,625,999.90/x
  3. Step 3: Cross multiply
    1,123,844,688.30x = 1,685,767,032.45 × 1,106,625,999.90
  4. Step 4: Simplify right side
    1,123,844,688.30x = 1,865,513,627,883,437,312
  5. Step 5: Solve for x
    x = 1,865,513,627,883,437,312/1,123,844,688.30
  6. Step 6: Final answer
    x = 1,659,938,999.85

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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.