Home / 1,309,481,687.31-1,806,814,968.93-752,457,117.57

Finding the Fourth Proportional to 1,309,481,687.31, 1,806,814,968.93 and 752,457,117.57

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Solution

The fourth proportional to 1,309,481,687.31, 1,806,814,968.93 and 752,457,117.57 is: 1,038,235,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,481,687.31 : 1,806,814,968.93 = 752,457,117.57 : x
  2. Step 2: Convert to fraction form
    1,309,481,687.31/1,806,814,968.93 = 752,457,117.57/x
  3. Step 3: Cross multiply
    1,309,481,687.31x = 1,806,814,968.93 × 752,457,117.57
  4. Step 4: Simplify right side
    1,309,481,687.31x = 1,359,550,783,503,397,120
  5. Step 5: Solve for x
    x = 1,359,550,783,503,397,120/1,309,481,687.31
  6. Step 6: Final answer
    x = 1,038,235,812.44

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Half scale
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Double scale
Find fourth proportional to 1,309,481,688.31, 1,806,814,970.31 and 752,457,118.57
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1.5x scale

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.