Home / 31,580,811,225.60-47,371,216,838.40-25,382,083,401.60

Finding the Fourth Proportional to 31,580,811,225.60, 47,371,216,838.40 and 25,382,083,401.60

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Solution

The fourth proportional to 31,580,811,225.60, 47,371,216,838.40 and 25,382,083,401.60 is: 38,073,125,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580,811,225.60 : 47,371,216,838.40 = 25,382,083,401.60 : x
  2. Step 2: Convert to fraction form
    31,580,811,225.60/47,371,216,838.40 = 25,382,083,401.60/x
  3. Step 3: Cross multiply
    31,580,811,225.60x = 47,371,216,838.40 × 25,382,083,401.60
  4. Step 4: Simplify right side
    31,580,811,225.60x = 1,202,380,176,627,546,980,352
  5. Step 5: Solve for x
    x = 1,202,380,176,627,546,980,352/31,580,811,225.60
  6. Step 6: Final answer
    x = 38,073,125,102.40

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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.