Home / 709,367,246.10-1,064,152,564.65-218,121,775.20

Finding the Fourth Proportional to 709,367,246.10, 1,064,152,564.65 and 218,121,775.20

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Solution

The fourth proportional to 709,367,246.10, 1,064,152,564.65 and 218,121,775.20 is: 327,213,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,367,246.10 : 1,064,152,564.65 = 218,121,775.20 : x
  2. Step 2: Convert to fraction form
    709,367,246.10/1,064,152,564.65 = 218,121,775.20/x
  3. Step 3: Cross multiply
    709,367,246.10x = 1,064,152,564.65 × 218,121,775.20
  4. Step 4: Simplify right side
    709,367,246.10x = 232,114,846,485,090,752
  5. Step 5: Solve for x
    x = 232,114,846,485,090,752/709,367,246.10
  6. Step 6: Final answer
    x = 327,213,932.93

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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.