Home / 572,413,666.05-858,620,499.08-391,015,138.05

Finding the Fourth Proportional to 572,413,666.05, 858,620,499.08 and 391,015,138.05

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Solution

The fourth proportional to 572,413,666.05, 858,620,499.08 and 391,015,138.05 is: 586,522,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,413,666.05 : 858,620,499.08 = 391,015,138.05 : x
  2. Step 2: Convert to fraction form
    572,413,666.05/858,620,499.08 = 391,015,138.05/x
  3. Step 3: Cross multiply
    572,413,666.05x = 858,620,499.08 × 391,015,138.05
  4. Step 4: Simplify right side
    572,413,666.05x = 335,733,612,978,371,072
  5. Step 5: Solve for x
    x = 335,733,612,978,371,072/572,413,666.05
  6. Step 6: Final answer
    x = 586,522,707.08

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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.