Home / 668,926,856.40-1,003,390,284.60-184,252,664.40

Finding the Fourth Proportional to 668,926,856.40, 1,003,390,284.60 and 184,252,664.40

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Solution

The fourth proportional to 668,926,856.40, 1,003,390,284.60 and 184,252,664.40 is: 276,378,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,926,856.40 : 1,003,390,284.60 = 184,252,664.40 : x
  2. Step 2: Convert to fraction form
    668,926,856.40/1,003,390,284.60 = 184,252,664.40/x
  3. Step 3: Cross multiply
    668,926,856.40x = 1,003,390,284.60 × 184,252,664.40
  4. Step 4: Simplify right side
    668,926,856.40x = 184,877,333,370,624,288
  5. Step 5: Solve for x
    x = 184,877,333,370,624,288/668,926,856.40
  6. Step 6: Final answer
    x = 276,378,996.60

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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.