Home / 763,932,667.86-1,145,429,724.81-297,049,874.94

Finding the Fourth Proportional to 763,932,667.86, 1,145,429,724.81 and 297,049,874.94

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Solution

The fourth proportional to 763,932,667.86, 1,145,429,724.81 and 297,049,874.94 is: 445,392,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,932,667.86 : 1,145,429,724.81 = 297,049,874.94 : x
  2. Step 2: Convert to fraction form
    763,932,667.86/1,145,429,724.81 = 297,049,874.94/x
  3. Step 3: Cross multiply
    763,932,667.86x = 1,145,429,724.81 × 297,049,874.94
  4. Step 4: Simplify right side
    763,932,667.86x = 340,249,756,507,369,088
  5. Step 5: Solve for x
    x = 340,249,756,507,369,088/763,932,667.86
  6. Step 6: Final answer
    x = 445,392,337.34

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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.