Home / 1,009,964,231.06-1,515,090,929.76-310,515,097.57

Finding the Fourth Proportional to 1,009,964,231.06, 1,515,090,929.76 and 310,515,097.57

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Solution

The fourth proportional to 1,009,964,231.06, 1,515,090,929.76 and 310,515,097.57 is: 465,817,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,964,231.06 : 1,515,090,929.76 = 310,515,097.57 : x
  2. Step 2: Convert to fraction form
    1,009,964,231.06/1,515,090,929.76 = 310,515,097.57/x
  3. Step 3: Cross multiply
    1,009,964,231.06x = 1,515,090,929.76 × 310,515,097.57
  4. Step 4: Simplify right side
    1,009,964,231.06x = 470,458,607,878,060,672
  5. Step 5: Solve for x
    x = 470,458,607,878,060,672/1,009,964,231.06
  6. Step 6: Final answer
    x = 465,817,098.68

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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.