Home / 652,147,678.20-979,355,258.10-346,037,662.20

Finding the Fourth Proportional to 652,147,678.20, 979,355,258.10 and 346,037,662.20

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Solution

The fourth proportional to 652,147,678.20, 979,355,258.10 and 346,037,662.20 is: 519,658,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,147,678.20 : 979,355,258.10 = 346,037,662.20 : x
  2. Step 2: Convert to fraction form
    652,147,678.20/979,355,258.10 = 346,037,662.20/x
  3. Step 3: Cross multiply
    652,147,678.20x = 979,355,258.10 × 346,037,662.20
  4. Step 4: Simplify right side
    652,147,678.20x = 338,893,803,976,201,600
  5. Step 5: Solve for x
    x = 338,893,803,976,201,600/652,147,678.20
  6. Step 6: Final answer
    x = 519,658,070.26

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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.