Home / 672,940,810.20-1,009,411,215.30-366,830,794.20

Finding the Fourth Proportional to 672,940,810.20, 1,009,411,215.30 and 366,830,794.20

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Solution

The fourth proportional to 672,940,810.20, 1,009,411,215.30 and 366,830,794.20 is: 550,246,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,940,810.20 : 1,009,411,215.30 = 366,830,794.20 : x
  2. Step 2: Convert to fraction form
    672,940,810.20/1,009,411,215.30 = 366,830,794.20/x
  3. Step 3: Cross multiply
    672,940,810.20x = 1,009,411,215.30 × 366,830,794.20
  4. Step 4: Simplify right side
    672,940,810.20x = 370,283,117,782,886,144
  5. Step 5: Solve for x
    x = 370,283,117,782,886,144/672,940,810.20
  6. Step 6: Final answer
    x = 550,246,191.30

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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.