Home / 763,518,671,791.35-1,145,395,686,665.20-260,323,380,961.11

Finding the Fourth Proportional to 763,518,671,791.35, 1,145,395,686,665.20 and 260,323,380,961.11

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Solution

The fourth proportional to 763,518,671,791.35, 1,145,395,686,665.20 and 260,323,380,961.11 is: 390,525,194,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,518,671,791.35 : 1,145,395,686,665.20 = 260,323,380,961.11 : x
  2. Step 2: Convert to fraction form
    763,518,671,791.35/1,145,395,686,665.20 = 260,323,380,961.11/x
  3. Step 3: Cross multiply
    763,518,671,791.35x = 1,145,395,686,665.20 × 260,323,380,961.11
  4. Step 4: Simplify right side
    763,518,671,791.35x = 298,173,277,690,956,997,459,968
  5. Step 5: Solve for x
    x = 298,173,277,690,956,997,459,968/763,518,671,791.35
  6. Step 6: Final answer
    x = 390,525,194,349.72

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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.