Home / 1,068,290,188.87-1,474,249,116.66-591,988,513.80

Finding the Fourth Proportional to 1,068,290,188.87, 1,474,249,116.66 and 591,988,513.80

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Solution

The fourth proportional to 1,068,290,188.87, 1,474,249,116.66 and 591,988,513.80 is: 816,948,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,290,188.87 : 1,474,249,116.66 = 591,988,513.80 : x
  2. Step 2: Convert to fraction form
    1,068,290,188.87/1,474,249,116.66 = 591,988,513.80/x
  3. Step 3: Cross multiply
    1,068,290,188.87x = 1,474,249,116.66 × 591,988,513.80
  4. Step 4: Simplify right side
    1,068,290,188.87x = 872,738,543,542,516,224
  5. Step 5: Solve for x
    x = 872,738,543,542,516,224/1,068,290,188.87
  6. Step 6: Final answer
    x = 816,948,945.74

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Half scale
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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.