Home / 584,947,405.05-877,421,054.30-257,422,918.07

Finding the Fourth Proportional to 584,947,405.05, 877,421,054.30 and 257,422,918.07

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Solution

The fourth proportional to 584,947,405.05, 877,421,054.30 and 257,422,918.07 is: 386,134,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,947,405.05 : 877,421,054.30 = 257,422,918.07 : x
  2. Step 2: Convert to fraction form
    584,947,405.05/877,421,054.30 = 257,422,918.07/x
  3. Step 3: Cross multiply
    584,947,405.05x = 877,421,054.30 × 257,422,918.07
  4. Step 4: Simplify right side
    584,947,405.05x = 225,868,288,168,287,680
  5. Step 5: Solve for x
    x = 225,868,288,168,287,680/584,947,405.05
  6. Step 6: Final answer
    x = 386,134,353.65

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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.