Home / 440,129,207.80-659,773,907.70-163,706,404.60

Finding the Fourth Proportional to 440,129,207.80, 659,773,907.70 and 163,706,404.60

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Solution

The fourth proportional to 440,129,207.80, 659,773,907.70 and 163,706,404.60 is: 245,403,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,207.80 : 659,773,907.70 = 163,706,404.60 : x
  2. Step 2: Convert to fraction form
    440,129,207.80/659,773,907.70 = 163,706,404.60/x
  3. Step 3: Cross multiply
    440,129,207.80x = 659,773,907.70 × 163,706,404.60
  4. Step 4: Simplify right side
    440,129,207.80x = 108,009,214,278,459,264
  5. Step 5: Solve for x
    x = 108,009,214,278,459,264/440,129,207.80
  6. Step 6: Final answer
    x = 245,403,423.28

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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.