Home / 977,595,998.30-1,468,094,608.65-518,430,974.30

Finding the Fourth Proportional to 977,595,998.30, 1,468,094,608.65 and 518,430,974.30

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Solution

The fourth proportional to 977,595,998.30, 1,468,094,608.65 and 518,430,974.30 is: 778,548,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,595,998.30 : 1,468,094,608.65 = 518,430,974.30 : x
  2. Step 2: Convert to fraction form
    977,595,998.30/1,468,094,608.65 = 518,430,974.30/x
  3. Step 3: Cross multiply
    977,595,998.30x = 1,468,094,608.65 × 518,430,974.30
  4. Step 4: Simplify right side
    977,595,998.30x = 761,105,718,326,996,736
  5. Step 5: Solve for x
    x = 761,105,718,326,996,736/977,595,998.30
  6. Step 6: Final answer
    x = 778,548,316.12

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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.