Home / 1,039,692,938.52-1,434,617,567.28-587,405,876.70

Finding the Fourth Proportional to 1,039,692,938.52, 1,434,617,567.28 and 587,405,876.70

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Solution

The fourth proportional to 1,039,692,938.52, 1,434,617,567.28 and 587,405,876.70 is: 810,530,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,692,938.52 : 1,434,617,567.28 = 587,405,876.70 : x
  2. Step 2: Convert to fraction form
    1,039,692,938.52/1,434,617,567.28 = 587,405,876.70/x
  3. Step 3: Cross multiply
    1,039,692,938.52x = 1,434,617,567.28 × 587,405,876.70
  4. Step 4: Simplify right side
    1,039,692,938.52x = 842,702,789,837,329,664
  5. Step 5: Solve for x
    x = 842,702,789,837,329,664/1,039,692,938.52
  6. Step 6: Final answer
    x = 810,530,454.34

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Half scale
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Double scale
Find fourth proportional to 1,039,692,939.52, 1,434,617,568.66 and 587,405,877.70
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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.