Home / 1,392,806,963.96-1,922,073,545.61-766,261,939.81

Finding the Fourth Proportional to 1,392,806,963.96, 1,922,073,545.61 and 766,261,939.81

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Solution

The fourth proportional to 1,392,806,963.96, 1,922,073,545.61 and 766,261,939.81 is: 1,057,441,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,806,963.96 : 1,922,073,545.61 = 766,261,939.81 : x
  2. Step 2: Convert to fraction form
    1,392,806,963.96/1,922,073,545.61 = 766,261,939.81/x
  3. Step 3: Cross multiply
    1,392,806,963.96x = 1,922,073,545.61 × 766,261,939.81
  4. Step 4: Simplify right side
    1,392,806,963.96x = 1,472,811,803,516,602,880
  5. Step 5: Solve for x
    x = 1,472,811,803,516,602,880/1,392,806,963.96
  6. Step 6: Final answer
    x = 1,057,441,441.37

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Double scale
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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.