Home / 528,536,699.10-792,805,048.65-145,584,251.10

Finding the Fourth Proportional to 528,536,699.10, 792,805,048.65 and 145,584,251.10

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Solution

The fourth proportional to 528,536,699.10, 792,805,048.65 and 145,584,251.10 is: 218,376,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,536,699.10 : 792,805,048.65 = 145,584,251.10 : x
  2. Step 2: Convert to fraction form
    528,536,699.10/792,805,048.65 = 145,584,251.10/x
  3. Step 3: Cross multiply
    528,536,699.10x = 792,805,048.65 × 145,584,251.10
  4. Step 4: Simplify right side
    528,536,699.10x = 115,419,929,276,009,312
  5. Step 5: Solve for x
    x = 115,419,929,276,009,312/528,536,699.10
  6. Step 6: Final answer
    x = 218,376,376.65

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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.