Home / 757,498,342.46-1,135,243,024.59-389,018,410.70

Finding the Fourth Proportional to 757,498,342.46, 1,135,243,024.59 and 389,018,410.70

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Solution

The fourth proportional to 757,498,342.46, 1,135,243,024.59 and 389,018,410.70 is: 583,011,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,498,342.46 : 1,135,243,024.59 = 389,018,410.70 : x
  2. Step 2: Convert to fraction form
    757,498,342.46/1,135,243,024.59 = 389,018,410.70/x
  3. Step 3: Cross multiply
    757,498,342.46x = 1,135,243,024.59 × 389,018,410.70
  4. Step 4: Simplify right side
    757,498,342.46x = 441,630,437,184,262,784
  5. Step 5: Solve for x
    x = 441,630,437,184,262,784/757,498,342.46
  6. Step 6: Final answer
    x = 583,011,753.86

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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.