Home / 1,312,786,601.28-1,811,650,968-709,957,224.33

Finding the Fourth Proportional to 1,312,786,601.28, 1,811,650,968 and 709,957,224.33

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Solution

The fourth proportional to 1,312,786,601.28, 1,811,650,968 and 709,957,224.33 is: 979,743,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,786,601.28 : 1,811,650,968 = 709,957,224.33 : x
  2. Step 2: Convert to fraction form
    1,312,786,601.28/1,811,650,968 = 709,957,224.33/x
  3. Step 3: Cross multiply
    1,312,786,601.28x = 1,811,650,968 × 709,957,224.33
  4. Step 4: Simplify right side
    1,312,786,601.28x = 1,286,194,692,696,037,632
  5. Step 5: Solve for x
    x = 1,286,194,692,696,037,632/1,312,786,601.28
  6. Step 6: Final answer
    x = 979,743,921.40

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Double scale
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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.