Home / 440,122,673.20-660,184,009.80-406,866,276.40

Finding the Fourth Proportional to 440,122,673.20, 660,184,009.80 and 406,866,276.40

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Solution

The fourth proportional to 440,122,673.20, 660,184,009.80 and 406,866,276.40 is: 610,299,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,122,673.20 : 660,184,009.80 = 406,866,276.40 : x
  2. Step 2: Convert to fraction form
    440,122,673.20/660,184,009.80 = 406,866,276.40/x
  3. Step 3: Cross multiply
    440,122,673.20x = 660,184,009.80 × 406,866,276.40
  4. Step 4: Simplify right side
    440,122,673.20x = 268,606,609,806,147,072
  5. Step 5: Solve for x
    x = 268,606,609,806,147,072/440,122,673.20
  6. Step 6: Final answer
    x = 610,299,414.60

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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.