Home / 779,781,366.96-1,169,425,101.69-255,029,223.84

Finding the Fourth Proportional to 779,781,366.96, 1,169,425,101.69 and 255,029,223.84

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Solution

The fourth proportional to 779,781,366.96, 1,169,425,101.69 and 255,029,223.84 is: 382,463,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,781,366.96 : 1,169,425,101.69 = 255,029,223.84 : x
  2. Step 2: Convert to fraction form
    779,781,366.96/1,169,425,101.69 = 255,029,223.84/x
  3. Step 3: Cross multiply
    779,781,366.96x = 1,169,425,101.69 × 255,029,223.84
  4. Step 4: Simplify right side
    779,781,366.96x = 298,237,576,023,013,760
  5. Step 5: Solve for x
    x = 298,237,576,023,013,760/779,781,366.96
  6. Step 6: Final answer
    x = 382,463,070.62

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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.