Home / 572,557,499.70-858,836,249.55-265,747,643.70

Finding the Fourth Proportional to 572,557,499.70, 858,836,249.55 and 265,747,643.70

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Solution

The fourth proportional to 572,557,499.70, 858,836,249.55 and 265,747,643.70 is: 398,621,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,557,499.70 : 858,836,249.55 = 265,747,643.70 : x
  2. Step 2: Convert to fraction form
    572,557,499.70/858,836,249.55 = 265,747,643.70/x
  3. Step 3: Cross multiply
    572,557,499.70x = 858,836,249.55 × 265,747,643.70
  4. Step 4: Simplify right side
    572,557,499.70x = 228,233,709,642,057,664
  5. Step 5: Solve for x
    x = 228,233,709,642,057,664/572,557,499.70
  6. Step 6: Final answer
    x = 398,621,465.55

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Half scale
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Double scale
Find fourth proportional to 572,557,500.70, 858,836,251.05 and 265,747,644.70
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.