Home / 31,353,696,145.40-47,030,544,218.10-28,959,235,575.80

Finding the Fourth Proportional to 31,353,696,145.40, 47,030,544,218.10 and 28,959,235,575.80

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Solution

The fourth proportional to 31,353,696,145.40, 47,030,544,218.10 and 28,959,235,575.80 is: 43,438,853,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,696,145.40 : 47,030,544,218.10 = 28,959,235,575.80 : x
  2. Step 2: Convert to fraction form
    31,353,696,145.40/47,030,544,218.10 = 28,959,235,575.80/x
  3. Step 3: Cross multiply
    31,353,696,145.40x = 47,030,544,218.10 × 28,959,235,575.80
  4. Step 4: Simplify right side
    31,353,696,145.40x = 1,361,968,609,270,036,430,848
  5. Step 5: Solve for x
    x = 1,361,968,609,270,036,430,848/31,353,696,145.40
  6. Step 6: Final answer
    x = 43,438,853,363.70

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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.