Home / 948,363,015.07-1,421,506,791.06-488,328,789.79

Finding the Fourth Proportional to 948,363,015.07, 1,421,506,791.06 and 488,328,789.79

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Solution

The fourth proportional to 948,363,015.07, 1,421,506,791.06 and 488,328,789.79 is: 731,958,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,363,015.07 : 1,421,506,791.06 = 488,328,789.79 : x
  2. Step 2: Convert to fraction form
    948,363,015.07/1,421,506,791.06 = 488,328,789.79/x
  3. Step 3: Cross multiply
    948,363,015.07x = 1,421,506,791.06 × 488,328,789.79
  4. Step 4: Simplify right side
    948,363,015.07x = 694,162,690,956,596,224
  5. Step 5: Solve for x
    x = 694,162,690,956,596,224/948,363,015.07
  6. Step 6: Final answer
    x = 731,958,838.47

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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.