Home / 359,462,572.80-539,193,859.20-214,343,750.40

Finding the Fourth Proportional to 359,462,572.80, 539,193,859.20 and 214,343,750.40

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Solution

The fourth proportional to 359,462,572.80, 539,193,859.20 and 214,343,750.40 is: 321,515,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,462,572.80 : 539,193,859.20 = 214,343,750.40 : x
  2. Step 2: Convert to fraction form
    359,462,572.80/539,193,859.20 = 214,343,750.40/x
  3. Step 3: Cross multiply
    359,462,572.80x = 539,193,859.20 × 214,343,750.40
  4. Step 4: Simplify right side
    359,462,572.80x = 115,572,833,973,577,552
  5. Step 5: Solve for x
    x = 115,572,833,973,577,552/359,462,572.80
  6. Step 6: Final answer
    x = 321,515,625.60

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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.