Home / 543,933,151.40-815,899,727.10-436,437,727.40

Finding the Fourth Proportional to 543,933,151.40, 815,899,727.10 and 436,437,727.40

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Solution

The fourth proportional to 543,933,151.40, 815,899,727.10 and 436,437,727.40 is: 654,656,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,933,151.40 : 815,899,727.10 = 436,437,727.40 : x
  2. Step 2: Convert to fraction form
    543,933,151.40/815,899,727.10 = 436,437,727.40/x
  3. Step 3: Cross multiply
    543,933,151.40x = 815,899,727.10 × 436,437,727.40
  4. Step 4: Simplify right side
    543,933,151.40x = 356,089,422,681,804,160
  5. Step 5: Solve for x
    x = 356,089,422,681,804,160/543,933,151.40
  6. Step 6: Final answer
    x = 654,656,591.10

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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.