Home / 373,249,332.80-559,873,999.20-281,281,025.60

Finding the Fourth Proportional to 373,249,332.80, 559,873,999.20 and 281,281,025.60

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Solution

The fourth proportional to 373,249,332.80, 559,873,999.20 and 281,281,025.60 is: 421,921,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,249,332.80 : 559,873,999.20 = 281,281,025.60 : x
  2. Step 2: Convert to fraction form
    373,249,332.80/559,873,999.20 = 281,281,025.60/x
  3. Step 3: Cross multiply
    373,249,332.80x = 559,873,999.20 × 281,281,025.60
  4. Step 4: Simplify right side
    373,249,332.80x = 157,481,932,701,749,600
  5. Step 5: Solve for x
    x = 157,481,932,701,749,600/373,249,332.80
  6. Step 6: Final answer
    x = 421,921,538.40

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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.