Home / 528,536,666.10-792,804,999.15-145,584,218.10

Finding the Fourth Proportional to 528,536,666.10, 792,804,999.15 and 145,584,218.10

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Solution

The fourth proportional to 528,536,666.10, 792,804,999.15 and 145,584,218.10 is: 218,376,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536,666.10 : 792,804,999.15 = 145,584,218.10 : x
  2. Step 2: Convert to fraction form
    528,536,666.10/792,804,999.15 = 145,584,218.10/x
  3. Step 3: Cross multiply
    528,536,666.10x = 792,804,999.15 × 145,584,218.10
  4. Step 4: Simplify right side
    528,536,666.10x = 115,419,895,907,023,904
  5. Step 5: Solve for x
    x = 115,419,895,907,023,904/528,536,666.10
  6. Step 6: Final answer
    x = 218,376,327.15

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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.