Home / 854,279,186.72-1,178,951,051.18-477,913,322.52

Finding the Fourth Proportional to 854,279,186.72, 1,178,951,051.18 and 477,913,322.52

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Solution

The fourth proportional to 854,279,186.72, 1,178,951,051.18 and 477,913,322.52 is: 659,545,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,279,186.72 : 1,178,951,051.18 = 477,913,322.52 : x
  2. Step 2: Convert to fraction form
    854,279,186.72/1,178,951,051.18 = 477,913,322.52/x
  3. Step 3: Cross multiply
    854,279,186.72x = 1,178,951,051.18 × 477,913,322.52
  4. Step 4: Simplify right side
    854,279,186.72x = 563,436,413,957,880,384
  5. Step 5: Solve for x
    x = 563,436,413,957,880,384/854,279,186.72
  6. Step 6: Final answer
    x = 659,545,992.36

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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.