Home / 324,681,323.40-487,021,985.10-247,197,225.60

Finding the Fourth Proportional to 324,681,323.40, 487,021,985.10 and 247,197,225.60

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Solution

The fourth proportional to 324,681,323.40, 487,021,985.10 and 247,197,225.60 is: 370,795,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,681,323.40 : 487,021,985.10 = 247,197,225.60 : x
  2. Step 2: Convert to fraction form
    324,681,323.40/487,021,985.10 = 247,197,225.60/x
  3. Step 3: Cross multiply
    324,681,323.40x = 487,021,985.10 × 247,197,225.60
  4. Step 4: Simplify right side
    324,681,323.40x = 120,390,483,522,924,544
  5. Step 5: Solve for x
    x = 120,390,483,522,924,544/324,681,323.40
  6. Step 6: Final answer
    x = 370,795,838.40

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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.