Home / 539,483,390.10-809,225,085.15-403,434,494.10

Finding the Fourth Proportional to 539,483,390.10, 809,225,085.15 and 403,434,494.10

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Solution

The fourth proportional to 539,483,390.10, 809,225,085.15 and 403,434,494.10 is: 605,151,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,483,390.10 : 809,225,085.15 = 403,434,494.10 : x
  2. Step 2: Convert to fraction form
    539,483,390.10/809,225,085.15 = 403,434,494.10/x
  3. Step 3: Cross multiply
    539,483,390.10x = 809,225,085.15 × 403,434,494.10
  4. Step 4: Simplify right side
    539,483,390.10x = 326,469,312,840,519,680
  5. Step 5: Solve for x
    x = 326,469,312,840,519,680/539,483,390.10
  6. Step 6: Final answer
    x = 605,151,741.15

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Half scale
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Double scale
Find fourth proportional to 539,483,391.10, 809,225,086.65 and 403,434,495.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.