Home / 2,918,175,844.78-4,377,717,263.49-979,932,573.10

Finding the Fourth Proportional to 2,918,175,844.78, 4,377,717,263.49 and 979,932,573.10

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Solution

The fourth proportional to 2,918,175,844.78, 4,377,717,263.49 and 979,932,573.10 is: 1,470,051,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,175,844.78 : 4,377,717,263.49 = 979,932,573.10 : x
  2. Step 2: Convert to fraction form
    2,918,175,844.78/4,377,717,263.49 = 979,932,573.10/x
  3. Step 3: Cross multiply
    2,918,175,844.78x = 4,377,717,263.49 × 979,932,573.10
  4. Step 4: Simplify right side
    2,918,175,844.78x = 4,289,867,742,323,478,016
  5. Step 5: Solve for x
    x = 4,289,867,742,323,478,016/2,918,175,844.78
  6. Step 6: Final answer
    x = 1,470,051,145.13

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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.