Home / 528,168,042,977.30-792,297,701,400.80-145,712,118,295.46

Finding the Fourth Proportional to 528,168,042,977.30, 792,297,701,400.80 and 145,712,118,295.46

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Solution

The fourth proportional to 528,168,042,977.30, 792,297,701,400.80 and 145,712,118,295.46 is: 218,580,767,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,168,042,977.30 : 792,297,701,400.80 = 145,712,118,295.46 : x
  2. Step 2: Convert to fraction form
    528,168,042,977.30/792,297,701,400.80 = 145,712,118,295.46/x
  3. Step 3: Cross multiply
    528,168,042,977.30x = 792,297,701,400.80 × 145,712,118,295.46
  4. Step 4: Simplify right side
    528,168,042,977.30x = 115,447,376,391,734,420,307,968
  5. Step 5: Solve for x
    x = 115,447,376,391,734,420,307,968/528,168,042,977.30
  6. Step 6: Final answer
    x = 218,580,767,857.43

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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.