Home / 1,458,983,312.76-2,013,394,309.96-789,928,275.62

Finding the Fourth Proportional to 1,458,983,312.76, 2,013,394,309.96 and 789,928,275.62

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Solution

The fourth proportional to 1,458,983,312.76, 2,013,394,309.96 and 789,928,275.62 is: 1,090,099,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,983,312.76 : 2,013,394,309.96 = 789,928,275.62 : x
  2. Step 2: Convert to fraction form
    1,458,983,312.76/2,013,394,309.96 = 789,928,275.62/x
  3. Step 3: Cross multiply
    1,458,983,312.76x = 2,013,394,309.96 × 789,928,275.62
  4. Step 4: Simplify right side
    1,458,983,312.76x = 1,590,437,095,409,822,720
  5. Step 5: Solve for x
    x = 1,590,437,095,409,822,720/1,458,983,312.76
  6. Step 6: Final answer
    x = 1,090,099,579.28

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Double scale
Find fourth proportional to 1,458,983,313.76, 2,013,394,311.34 and 789,928,276.62
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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.