Home / 385,682,336,885.98-578,141,370,331.52-181,109,317,762.70

Finding the Fourth Proportional to 385,682,336,885.98, 578,141,370,331.52 and 181,109,317,762.70

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Solution

The fourth proportional to 385,682,336,885.98, 578,141,370,331.52 and 181,109,317,762.70 is: 271,484,533,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,682,336,885.98 : 578,141,370,331.52 = 181,109,317,762.70 : x
  2. Step 2: Convert to fraction form
    385,682,336,885.98/578,141,370,331.52 = 181,109,317,762.70/x
  3. Step 3: Cross multiply
    385,682,336,885.98x = 578,141,370,331.52 × 181,109,317,762.70
  4. Step 4: Simplify right side
    385,682,336,885.98x = 104,706,789,151,134,084,759,552
  5. Step 5: Solve for x
    x = 104,706,789,151,134,084,759,552/385,682,336,885.98
  6. Step 6: Final answer
    x = 271,484,533,091.51

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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.