Home / 443,963,724.22-612,038,337.90-302,653,603.86

Finding the Fourth Proportional to 443,963,724.22, 612,038,337.90 and 302,653,603.86

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Solution

The fourth proportional to 443,963,724.22, 612,038,337.90 and 302,653,603.86 is: 417,231,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,963,724.22 : 612,038,337.90 = 302,653,603.86 : x
  2. Step 2: Convert to fraction form
    443,963,724.22/612,038,337.90 = 302,653,603.86/x
  3. Step 3: Cross multiply
    443,963,724.22x = 612,038,337.90 × 302,653,603.86
  4. Step 4: Simplify right side
    443,963,724.22x = 185,235,608,664,623,456
  5. Step 5: Solve for x
    x = 185,235,608,664,623,456/443,963,724.22
  6. Step 6: Final answer
    x = 417,231,405.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.