Home / 684,835,240.59-1,027,438,201.08-488,346,888.51

Finding the Fourth Proportional to 684,835,240.59, 1,027,438,201.08 and 488,346,888.51

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Solution

The fourth proportional to 684,835,240.59, 1,027,438,201.08 and 488,346,888.51 is: 732,652,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,835,240.59 : 1,027,438,201.08 = 488,346,888.51 : x
  2. Step 2: Convert to fraction form
    684,835,240.59/1,027,438,201.08 = 488,346,888.51/x
  3. Step 3: Cross multiply
    684,835,240.59x = 1,027,438,201.08 × 488,346,888.51
  4. Step 4: Simplify right side
    684,835,240.59x = 501,746,248,633,729,728
  5. Step 5: Solve for x
    x = 501,746,248,633,729,728/684,835,240.59
  6. Step 6: Final answer
    x = 732,652,496.39

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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.