Home / 453,912,666.30-680,868,999.45-270,246,656.70

Finding the Fourth Proportional to 453,912,666.30, 680,868,999.45 and 270,246,656.70

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Solution

The fourth proportional to 453,912,666.30, 680,868,999.45 and 270,246,656.70 is: 405,369,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,912,666.30 : 680,868,999.45 = 270,246,656.70 : x
  2. Step 2: Convert to fraction form
    453,912,666.30/680,868,999.45 = 270,246,656.70/x
  3. Step 3: Cross multiply
    453,912,666.30x = 680,868,999.45 × 270,246,656.70
  4. Step 4: Simplify right side
    453,912,666.30x = 184,002,570,752,036,640
  5. Step 5: Solve for x
    x = 184,002,570,752,036,640/453,912,666.30
  6. Step 6: Final answer
    x = 405,369,985.05

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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.